"My 2 to 24 Activity Book" introduces readers to math concepts related to the number two including addition and multiplication exercises. "My 2 to 24 Activity Book" is Vol 5 in "My First Book Series" which includes six (6) primer books under on cover. All volumes: "My 1 to 5 Activity Book," "My A to G Activity Book," "My H to P Activity Book," "My 10 to 100 Activity Book," "My 2 to 24 Activity Book," and "My Q to Z Activity Book.