The Ultimate Book of Reptiles: Your guide to the secret lives of these scaly, slithery, and spectacular creatures! (National Geographic Kids)

Math Refresher Workbook for Adults Returning to School: Master Basic High School Math in 1 Month With 500+ Basic Algebra, Geometry, Statistics Exercises

Math-ish: Finding Creativity, Diversity, and Meaning in Mathematics

Complete Kindergarten Math Workbook: 175 Fun Activities to Build Math, Logic, and Critical Thinking Skills (Kindergarten Math Workbooks)

IXL The Ultimate Math Kindergarten Workbooks, Activity Book for Kids Ages 5-6 Covering Addition, Subtraction, Learn to Write and Count Numbers Through 100, Shapes, Telling Time, and More Mathematics

The Moscow Puzzles: 359 Mathematical Recreations (Dover Math Games & Puzzles)

Spectrum Math, Grade 6

Spectrum 2nd Grade Math Workbook, Ages 7 to 8, Math Workbooks Grade 2 Covering Fractions, Adding and Subtracting 2- and 3-Digit Numbers, 3-D Shapes, and Measurement, Spectrum Grade 2 Math Workbook

Weapons of Math Destruction: How Big Data Increases Inequality and Threatens Democracy