Skip to main content

Sherlock Bones and the Addition & Subtraction Adventure

Jonny Marx, John Bigwood (Illustrator)


List Price: 9.95*
* Individual store prices may vary.


Meet Sherlock Bones and his trusted companion, Dr. Catson--and join them on a fun math mystery adventure This activity storybook has a cool "reveal feature" with a magnifying device.

Sherlock Bones and Dr. Catson are on the case, out to catch cunning criminals Come along and help, as they use addition, subtraction, and some fractions to break codes, make it through mazes, and follow a trail of puzzles. It's up to kids to figure out the answers, solve robberies (including of a priceless diamond), and foil Professor Moriratty's evil plans.

Flash Kids, 9781411479135, 32pp.

Publication Date: August 7, 2018

About the Author

Jonny Marx has commissioned and edited more than 50 titles and worked with dozens of talented illustrators and authors along the way. He is the author behind The Book of Beasts. He lives in London, England. John Bigwood is an illustrator and graphic designer who illustrates books for children and adults across a range of genres. He lives in London, England.