Ivan Moscovich
Ivan Moscovich has written at least 4 books. Their most popular book is Fiendishly Difficult Math Puzzles with 2 saves with an average rating of 4⭐.
Fiendishly Difficult Math Puzzles
ByIvan Moscovich
1991 • 2 Readers • 64 pages • 4
Fiendishly Difficult Visual Perception Puzzles
ByIvan Moscovich
1991 • 1 Reader • 64 pages • 5
Over-the-top cranium challenges
ByIvan Moscovich
The Puzzleman - der Rätselmann
ByIvan Moscovich
2018