300+ Mathematical Pattern Puzzles: Number Pattern Recognition & Reasoning (Improve Your Math Fluency) Chris, McMullen
Sudoku Puzzles for Adults: Big Print, Two Puzzles per Page, Easy to Very Hard Levels for Seniors and Teens with Full Solutions Hoppe, Lucile
The Ultimate Brain Games And Puzzles Book For Teens: Tricky But Fun Brain Teasers, Trivia Challenges, Crosswords, Word Searches, Cryptograms And Much More To Keep Your Mind Sharp And Engaged Donovan, Ellis
Criminal Cases of Zebra Griddle the Detective – Logic Puzzles for Teens and Adults: 39 Murder Mystery Logic Grid Puzzles with Full Solutions Feline Puzzles, Goodwin, Perry, Press