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" wi
Sherlock Holmes is one of the most recognizable—and most parodied—names in western literature. Bill Mason, BSI, collects and annotates these parody names, f
Sherlock Bones and Dr. Catson are entangled in an arithmetic adventure. They must follow a teasing trail of addition and subtraction-themed maths puzzles, and i
Understanding simple math equations can provide a strong basis for learning more advanced concepts in math. With the help of this enjoyable book, readers develo