This is a fun enlightening math book which can be used for summer enrichment, Saturday school, camp, or during the school year. Use it for an independent research/skills assignment, as well. Use it in lieu of an exam for gifted students, those who have been missing school. It is cross-curricular. It has many quotes from ancient scientists and philosophers. It has a literacy segment, as well. There are varied activities. The intent of this activity book is to instill a love of math with fun, poe