'Book of' Slots
Book of slots are part of a unique category of slot game that offer a particular style of play. This has made them an incredibly popular choice among UK players, and they’re regularly featured among the top slots here at Casino Kings.
If you’re unfamiliar, the format can seem a little bit confusing. That’s why we’ve put together the guide below. Check it out to learn all there is to know about Book of slots and to find the best Book of slots to play at Casino Kings.
Explore Our 'Book of' Slot Collection
At Casino Kings, you’ll find a huge collection of Book of slots all on one fully licensed UK online casino. In our games lobby, you can browse through different game categories or use our search feature to find specific titles. You can also check the list at the top of this page to find a selection of the most popular online slots at Casino Kings.
What are 'Book of' Slots?
‘Book of’ slots are online slots built around the ‘book’ mechanic, which has become a genre in its own right.
Typically, these games are adventure-themed, often featuring an explorer journeying through an ancient temple or jungle setting. The ‘Book’ in question is frequently a book symbol that serves as both the wild and the scatter symbol.
Free spins bonus rounds are central to the Book of genre, and this often features an expanding symbol that covers an entire reel.
It’s these distinct mechanics and bonus rounds that have made the Book of category of online slots so successful.
About 'Book of' Slot Providers
At Casino Kings, you’ll find Book of slots from a wide range of top providers in our slots collection. You can expect to find online slots from leading developers, including Pragmatic Play, with games that span a variety of themes and settings, from ancient Egypt to fantasy settings and from mythology-themed slots to jungle adventures.
Popular 'Book of' Slot Variants
‘Book of’ slots come in various styles. Some of the most popular slots include:
Classic Book Slots
Classic ‘Book of’ online slots are the pioneers of the genre. Rich Wilde and the Book of the Dead is the most well-known example. This Play’n Go slot has spawned countless spinoffs, including Rich Wilde and the Tome of Insanity and Rich Wilde and the Tome of Dead.
Themed Games
Not all ‘Book of’ slots are based in ancient temples. The genre also lends itself well to themed games. Check out games like Book of Elves and Book of Xmas for Book of slot games with a dash of festive fun.
Book of Slots Free Spins and Bonus Rounds
Book of slots are feature-led online slots with action-packed bonus rounds. Some of the most interesting mechanics you’ll come across in Book slots include:
Free Spins
The free spins bonus rounds are central to the Book of genre. The round is triggered by landing scatter symbols, which usually awards 10 free spins.
Expanding Symbol
Before Book of bonus rounds begin, one symbol will be randomly selected as the expanding symbol. Whenever that symbol lands during the round, it expands to cover the entire reel. This can make it easier to form winning combinations.
Retriggers
Many Book slots allow for free spins retriggers. Landing additional scatters during the feature can award you with extra free spins.
Playing 'Book of' Slots for Real Money
If you like the sound of Book slots, let’s walk you through how to play Book slot casino games for real money here at Casino Kings.
Make a deposit using one of our supported payment methods
Explore our games lobby and choose a Book slot
Place and wager and start spinning
Why 'Book of' Slots Remain so Popular
Few formats have remained as popular over the years as Book slots. Over the years, Book slots have become familiar. When players see ‘Book’ in the name of a slot, they’ll have a good idea of what to expect before they start playing. This familiarity is an important factor in the format’s continued success.
Of course, the features play a role too. The expanding symbol mechanic in the free spins round can create lots of winning opportunities.
Extra Tips Before You Play Book Slots
Read through our tips below before you play any Book slots at Casino Kings.
Check the RTP
RTP stands for Return to Player. This is a percentage that shows the theoretical return of a slots and other casino games over time.
Understand Volatility
Volatility indicates how often a slot pays out. Low volatility means a slot will pay out more often, but prizes will be smaller. High volatility slots, like many Book slots, pay out less frequently, but prizes can be bigger.
Be Patient
Book slots are all about the free spins rounds. These require scatter symbols to trigger, which can take time. Patience is the key.
Play Online Slots Responsibly
Always remember to play responsibly. Set a budget and stick to it, and take regular breaks if you’re playing for extended sessions. At Casino Kings, we offer responsible gambling tools that you can use to stay in control when you play online slots and casino games.
Fair Play and Transparency
Casino Kings is licensed by the UK Gambling Commission, and we follow all UK rules designed to keep our players safe. Payments are secured through our cashier, and we offer a number of safe payment options for UK players.
The Book slots we offer use RNG technology. This ensures results are completely random and that they can’t be influenced.
Find Your Favourite 'Book of' Slot Today
Whether you’re brand new to the world of Book slots or a veteran player looking for the next Book adventure, we’ve got you covered here at Casino Kings. Explore the Book slots in our collection and find your next favourite.
Frequently Asked Questions
What are 'Book of' slots?
Book slots are online slots with a Book symbol that serves as a wild and a scatter.
Do 'Book of' slots have free spins?
Yes. Book slots have a free spins mode that’s central to the gameplay. They often feature a randomly selected expanding symbol.
Are Book slots high volatility?
Yes, many Book of slots come with high volatility. This means wins can be less frequent but involve larger payouts.
Will 'Book of' slots work on mobile?
Absolutely. Most of the Book slots and other casino games here at Casino Kings work seamlessly on mobile and tablet devices.
