12 books • 3 series
2 Mathemania
Giant Book of Science Fun/Giant Book of Math Fun
Mathamazing
Classic Mathemagic
Mathemania (Giggle fit)
Giant Book of Puzzles (Giant book of)
Trucos Matemagicos
Matemagia (Ediciones de Mente, #9)
Festival de Ingenio
Mathamusements
Math Tricks, Puzzles & Games
Mathemagic