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Are you ready for a thrilling adventure? 

$17.99 MSRP

Missed out on the preorder and exclusive content? Not to worry! Contact us and we will email you access to the exclusive content which includes an all new chapter from a character in Marco's world, as well as two digital games!

Love Marco the Great? Don't forget to drop us a review on Amazon, Facebook, and/or Google! 

Product Information

384 pages

300+ practice problems and solutions

Includes access to digital platform with 40+ games

Topics cover upper-elementary/prealgebra

A magical adventure that doesn't feel like boring school!

Ages 9 - 14

The debut novel in the Marco the Great series makes math come alive in this humorous, educational, and uniquely entertaining story. 

Marco is thrilled when his parents and teacher present him with a 'not a math kid' badge. Unfortunately, it doesn't fix all his problems. When a new figure pops into Marco's life he is thrown into a fantastical world, a world ruled by those Marco despises most. He quickly learns the only way to survive is to thrive.

Working hard to master the inhabitants of Numberville, to understand their behavior and thwart their attempts at disguise, Marco finds what his life had been lacking - control. Will this new power take over Marco? Or will Marco learn to wield his sword gracefully? Find out in Marco the Great and the History of Numberville!

"Surprisingly entertaining. I'm not a math kid, but [the story] brings the subject to life! It is like fantasy for math."

Bestselling Author

Marco the Great is unlike any novel you've read before. It isn't a textbook with entertaining tidbits like Life of Fred. It isn't a magical tale with some elements of math like Mathamagical. Instead, Marco the Great is a fantastical journey that is fun to read (you'll be excited to turn the page) and allows students to learn a ton of math along the way through colorful analogies and an entirely new and bizarre world - that is very real - called Numberville. 

Listen to a Sample

Join the author as she reads a selected passage from Marco the Great and the History of Numberville. 

Marco the GreatSK Bennett
00:00 / 03:33

About the Author

SK Bennett

SK Bennett is a mother, a mathematician, an educator, a life-long learner, and a creator. 


The daughter of accountants, as a child she believed she was born with math skills; genetically programmed to have a special relationship with numbers. It was no surprise when she filled in the words “math teacher” under the heading 'What I want to be when I grow up' in her 3rd grade yearbook. 


Not only did she have a knack for numbers, she found she was quite good at explaining mathematical ideas to her peers. Awarded a commendation from her high school for the positive impact she had on her classmates in her 8th grade geometry class, SK Bennett continued tutoring and then teaching mathematics at some of the best institutions in the country. She won multiple student awards for kindness and effectiveness as well as for excellence in teaching.


Collaborating with institutions like Johns Hopkins University, SK Bennett used her math and teaching knowledge to create engaging online courses that became an instant hit with students. However, she found that tackling the issues in the educational system was an uphill battle. As a manager and mentor to over 50 teachers, she saw how much rote practice and teaching to the test was deeply ingrained into not only the school system, but teacher pay, and student viewpoints. With a strong belief that learning should be fun, explorative, and never based on memorization and copying – but rather understanding, she finally had the chance to bring her many passions together and the result was Marco the Great


First published in a book of poetry, SK Bennett has always loved literature. Her home boasts floor-to-ceiling bookshelves filled with the many adventures she has taken either alone, or with her children. Inspired by Mary Pope Osborne’s Magic Tree House series, SK Bennett had the idea to write a series of novels that does to math what Osborne has created for history. It took the stars aligning for the series to finally begin to take shape. Now, she can’t wait to see where Marco’s world takes us!


SK Bennett has earned undergraduate degrees and a graduate certificate in mathematics as well a graduate degree in education with a focus on 21st century learning and educational technology. She resides with her husband and their five children, a cat named Milo, a bunny named Sammy, Red Fish Blue Fish, and Cheddar the snail. She has been a home school educator for over 13 years.  


She hopes that Marco the Great will inspire all students and make them feel like powerful mathematicians. Her experience has taught her that there is no such thing as a 'math kid' and that all any student needs to succeed in math is someone to believe in them, and a great teacher. 

Have you ever read a book that made you want to jump right into its pages and become a part of the new and magical world it described?

Well now you can. 

Marco the Great is much more than a novel. It is an entire world, a world you can be a part of! 

Once you have your copy, navigate back here and sign up for a membership to The Kryptografima

The Kryptografima transports readers directly into Marco's world! With eight self-paced areas to explore, readers can master topics right alongside Marco. 

Each area includes a host of digital games, graphics, quests, missions, and debriefs to help students perfect their skills. 

But The Krytografima is so much more! Not in class? Browse the Student Commons where you can find your tribe, read The All Saints Tribune (make sure to check out the comics!), play in a fantasy league, or solve Quiggly Cantor's puzzles. Students can travel back to their virtual dorm room and do some mental warm-ups or create their own timeline and set goals to stay on track. 

What are you waiting for?! Order your copy of Marco the Great and get ready for a brand new world where learning is an exciting adventure students can't wait to embark on. 

Ready to start your adventure?

Grab your copy and jump into the pages with a mathematical learning experience like never before!


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