Beautiful Large Print Dot to Dot For Adults: From 150 to 484 Dots (Dot to Dot Books For Adults)

Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything. An entertaining introduction to mental maths and problem solving

Mind-Blowing Kusudama Origami: The Art of Modular Paper Folding

Are You a Math Genius? The Inventor's Book of Calculation Games - For Brilliant Thinkers: 180 Pages of Mathematical Creativity for Ages 13 + ... Thinking Tree Books - Homeschooling Math)

Short-Cut Math

Entertaining Mathematical Puzzles

Travel Puzzle Book For Kids Ages 8-12: 80 Activities and Brain Teaser Games to Keep Kids Busy on Road Trips, Airplane Flights, Train Journeys, and Long Car Rides - The Ultimate Travel Activity Book

Sudoku Puzzles for Adults Large Print: A Book with Easy to Hard Sudoku for Seniors and Teens. Big Print-Two Puzzles per Page.

Mathematics of Tabletop Games (AK Peters/CRC Recreational Mathematics Series)

Second-Degree Brown Belt Kakuro (Martial Arts Puzzles Series)