Secrets of Mental Math

Secrets of Mental Math The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks

Henry is generally well-behaved, but he is occasionally arrogant and vain. Henry is at heart a hard worker, but his frequent bouts of illness hinder his work.
Sign up to use

Reviews

Photo of Timeo Williams
Timeo Williams@timeowilliams
5 stars
Jun 5, 2024
Photo of anjali
anjali@anjalislibrary
5 stars
Jul 8, 2024
Photo of Benjamin Snipes
Benjamin Snipes@bengsnipes
3 stars
Oct 11, 2022