If you fancy yourself as a knight of old, then there’s a kingdom to save in Book of Books. Hidden in plain sight, the order of the Peregrin has been called to action, with the X10,000 wealth of the land to protect and rewards to be gained for your honourable call to arms! Check out this spell-bounding adventure slot from Peter & Sons on YG masters, in our full Book of Book slot review and demo…


If you’re looking for a video slot with an air of mystery where you’re cast into a mysterious realm of old, where knights guarded ancient relics of infinite value – get yourself a bit of Book of Books! Once again, the Peter & Sons studio has come-up trumps on YG Masters network, with their trademark of outstanding graphics and effects making this game another epic for your favourites. As a new recruit to the esteemed and highly secret Order of the Peregrin, you must spin into the castle and hide under a robe as an unassuming musicians or court minstrel. You and your clan, guard the biggest secret known to man; The Book of Books, father of all books, source of all power and wealth in the slot world! And while the reality might be slightly more subdued, this game does come with a whopping X10,000 max win if you gain the full favour of the kingdom.

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Try some free demo spins on Book of Books before you play at the best real money Book of Books casinos.

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Unfortunately the Free Play option is temporarily suspended in your country due to UKGC compliance.

In the meantime, feel free to play the game for real at one of our top casinos listed below.


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100% bonus

+ 50 Free Spins on Book of Dead

The 50 Free Spins will be distributed over the course of 5 days (10 per day for the following 5 days after you claim your Welcome Bonus). You will find 10 fresh Free Spins on a different game every day from 12:00 CEST in your account in the Rewards Section. Simply log in and claim them within 24 hours for your extra chances of winning.

100% up to €1000/ £100

+ 300 free spins on Starburst

18+ Full T&C’s Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40x wagering applies. Bonus valid for 14 days. 30 Spins will be credited instantly upon qualifying deposit + then 30 per day for 9 days on Starburst. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Ewallets excluded. – www.begambleaware.org

UK: 100% bonus up to £25 - ROW: up to 300€

20 Bonus Spins

18+. New UK customers only. Opt-in required. 20 Bonus Spins on “Book of Dead” and 100% Deposit Bonus up to £25 on first deposit. Min deposit £10. 30x wagering requirement for Bonus Spins and 30x wagering requirement for Deposit Bonus (game weighting applies). Max £5/spin or £0.50/line or £10/round (live casino). 30 days expiry. T&C’s Apply. Please gamble responsibly • www.begambleaware.org• • Bonus terms

50 Spins on Starburst

ROW: 100% bonus up to €500 + 20 free spins!

18+. New depositors only. UK residents only. Minimum deposit £10. Free Spins are valid only on Starburst and expire in 7 days. 10x wagering apply. Certain deposit types are excluded. T&Cs apply.
18+ Full T&C’s Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40x wagering applies. Bonus valid for 14 days. 30 Spins will be credited instantly upon qualifying deposit + then 30 per day for 9 days on pre-selected games. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Ewallets excluded. – www.begambleaware.org

Try one of the best ‘Book of’ 2023 slot games with some demo rounds on our Book of Books game; then spin it at one of our top-rated slot casinos!

Why play Book of Books slot?

Any fans of Peter & Sons games is in for another top-notch release with Book of Books, but any slot fan seeking iconic slot graphics and an interesting ‘Book of’ theme, will find this a winner. This isn’t a game for the faint-hearted though; it’s volatile and changes in fortune can strike hot or cold at random. However, hot runs can be laced with win potential, with power-up features and expanding multiplier wins capable of creating massive wins with enough luck. Whatever your level, setting a consistent budget-aligned bet, will help you enjoy this game whatever the net result of the session on the payout front.

  • Awesome visuals & quest theme
  • Collection mechanics
  • Free Spin Power-Ups
  • Expanding Symbols & Multipliers
  • High volatility
  • Max win X11,000


Book of Books definitely isn’t the only adventure quest style of game from Peter & Sons on YGS Masters – slots like Legend of Musashi are also in the portfolio. The chances are if you are a fan of either game, you’ll also fall for the charms of its counterpart.

Game ComparisonBook of Books Legend of Mushai
StudioPeter & SonsPeter & Sons
Hit rate33.26%20.00%
Paylines10240 up to 20160 ways
Bet range€0.10 – €50€0.20 – €50
FeaturesFree Spins

Free Spins Power-ups

Expanding Symbols         

Expanding Multipliers

Monster Free Spins & Scatters


Power Mode

Monster Multiplier


Max win multiplierX10,000 X20,000


Book of Books was released in March 2023 to add another top game to the YGS Master’s network from Peter & Sons. The game is programmed to have a decent 96.1% RTP and impressive 33.26% average base game win level – fused with a high volatility rating. You can bet from €0.10 – €50 per spin, providing plenty of scope whatever your preferences and limits.

Payouts in Book of Books Slot

Book of Books’ symbols feature the King Soldier, Red Soldier, Grey Soldier, Sword & Shield, Shield & Hammer, Heart, Spade, Club and Diamond. These themed icons look great and boost the game’s feeling of immersion, paying-out from X0.5 to X75 depending on the symbol and number of icons gained on the paylines.

Symbol2 Symbols 3 Symbols4 Symbols5 Symbols
King Soldier   X0.5X4X20X75
Red SoldierX0.25X2.5X6X40
Grey SoldierX0.25X2X6X25
Sword & ShieldX0.25X1X3X10
Shield & Hammer X0.75X2X5
Heart X0.5X1.5X4
Spade X0.5X1.5X4
Club X0.25X1X2.5
Diamond X0.25X1X2.5

Book of Books video slot has a maximum payout level of X10,000 the round bet. This gives the game the power to theoretically (if a player hits the big time) payout anything from €1,000 to €500,000 across the min-max bet range.

Book of Books Strategy Tips

The volatile Book of Books is a super fun game that can deliver a hot run at any time, but you’ll need to ride the storm now and then too! Try these tips to support extended spins from your session:

  • Play Book of Books with a loss limit to stay safe in each session (e.g. 10.00).
  • Play with the same spin size through your session.
  • Aim to spin for 100-200 spins from your bankroll minimum (e.g. 0.10 x 100 = 10 max spend). You should get lots more spins than the minimum with average luck.


Book of Books is loaded with some of the most innovative bonus features; check them out before you spin for real at a top casino:


Two Scatters award a Power-up, while three or more Scatters triggers the Free Spins game. With three Scatters, Free Spins are played on a 5×3 panel and 10 paylines. With four Scatters, Free Spins are played on a 5×4 panel and 20 paylines. And lastly, five Scatters will give you Free Spins on a 5×5 panel and 40 paylines!


Wilds substitute for any other symbol except the Scatter and have standard wild power to help you create winning combinations. The Expanding Symbols can expand to cover the whole reel and create some epic wins if things fall right.


Landing a X1 or X2 Expanding Multiplier will multiply winnings from Expanding Symbols. Collected Expanding Multipliers are also added together to amplify your win potential.


Landing two Scatters awards any of the following features for the Free Spin round:

  • 1-2 bonus Free Spins.
  • Extra Expanding Symbol
  • X1 or X2 Expanding Multiplier


You can up-the-ante by selecting the Golden Bet for X1.5 extra per bet, boosting the chances of hitting the bonus game. More risk can be taken by Buying Bonus which takes you straight into Free Spins.


Check the game’s credentials on the fly, with our Book of Books FAQ – then spin for real at the top online slot sites from our rankings:


  • Where Can I Play Book of Books Slot? Arrow

    Book of Books slot is playable at a range of top online casinos, giving you the chance to play this 2023 Peter & Sons game on the YGS Masters network. Our pro gaming reviewers at Yggdrasil Casino, will help you find the top casinos to play the game at, including secure bonus links.

  • What Is the Theme of Book of Books Slot? Arrow

    The magical Book of Books slot is themed on an ancient kingdom which holds the secrets of wealth and manifestation within its sacred castle walls – the Book of Books itself! Your mission is to join the secretive Order of the Peregrin and guard the Book from those who wish to unleash its secrets and use them against the world! If you succeed, you could walk away with wins up to X10,000 your spin! Regardless of your luck, this exciting game has an epic theme and some of the best slot artwork around.

  • Is Book of Books Fair and Safe? Arrow

    Yes. Book of Books is loaded with a fair RTP of 96.1% and 33.26% average base game hit mechanic. The game is however very volatile, so expect lots of variation in the actual gameplay from session to session. You can play safe by setting the right bet level from €0.10 – €50.

  • What Are the payouts in Book of Books? Arrow

    Spinning combinations of the King Soldier, Red Soldier, Grey Soldier, Sword & Shield, Shield & Hammer, Heart, Spade, Club and Diamond, pays from X0.5 to X75 your bet in Book of Books. Bonus wins can increase as high as X10,000, creating a payout range from €1,000 – €500,000 on the min-max bet range, respectively.

  • Can I Play Book of Books with Strategy? Arrow

    Book of Books is a volatile game with solid fair play credentials – but you still need luck to ride the waves and gain a victory. There's no way to change the odds, but setting a solid session limit is a good starting point for strategy. Try selecting a consistent bet that supports 100-200 spins minimum from your session limit.


Spin into the realm of magical kingdoms and save the day by becoming one of the Order of the Peregrin’s secret guards! Keep prying evil hands off the Book of Books and your rewards could soon multiply as high as X10,000 if your luck is really in! This exciting game from Peter & Sons on YGS Masters, has epic graphics and a deeply immersive quest theme; will you join the defenders of sacred knowledge and gain the riches of the Book of Books?