10 books • 2 series
Entertaining Math (Part, #3)
Multiplication Tables in 12 lessons
Logic and out of the box thinking
Entertaining Math 7+. Part 2 (Part, #2)
3000 Examples and Problems (Part, #1)
Entertaining Math 7+. Part 1 (Part, #1)
Mathematics + Mental Arithmetic with no struggle. Part 2 (Part, #2)
Quick Counting (Part, #2)
The best way to learn multiplication tables
Learning Numbers (Learning Numbers, #6)