35 books • 7 series
Clever Crosswords for Kids
Whodunits
Challenging Crosswords for Kids (Official Mensa Puzzle Book S.)
Giant Book of Crosswords and Cryptograms
Super Crosswords for Kids
Great Crooswords for Kids
Crosswords to Strain Your Brain
Great Crosswords for Kids
Crossword Puzzles (Pocket puzzlers)
Book of After School Fun (Little Giant Books)
Crosswords for Kids (American Mensa Puzzle Books)