15 books • 2 series
The Little Book of Big Word Puzzles
Sit & Solve® Tic-Tac-Doku™
Sit & Solve® Word Rodeo™
Sit & Solve® Word Winder™
Jumble Explorer (Jumble (Triumph Books))
Lunar Jumble
David L. Hoyt's Word Rodeo Stampede 1
David L. Hoyt's Word Rodeo Stampede 2
David L. Hoyt's Tic-Tac-Doku
David L. Hoyt's Word Winder
David L. Hoyt's Word Rodeo A-to-Z
David L. Hoyt's Word Rodeo
Double Jumble
Boggle Brainbusters!
Jumble Brainbusters Junior (Jumble Brain Busters for Kids)