Activity Book For Girls Ages 8-12 Years Old: Challenging Fun Brain Teasers and Logic Puzzles For Clever girls Includes Crossword, Word search, Unicorn … Sudoku,Word Scramble, Tic Tac Toe, and More Fegon, Kriss.
Brainteasers and Riddles for Gritty Kids: 300 Difficult Mind-Bending Lateral Thinking, Logic, and Math Puzzles for Kids and Families Allbaugh, Dan
Math Riddles For Smart Kids: Math Riddles And Brain Teasers That Kids And Families Will love (Thinking Books for Kids) Prefontaine