Amazon: Preschool Workbooks Buy 4 for the Price of 3

This deal is available again if you need to keep your kids busy for the summer:Amazon has a great deal right now on Preschooler workbooks - buy 4 for the price of 3:

Dot to Dot Numbers – $1.40
Preschool Basics- $1.40
Lowercase Alphabet (Get Ready Books) – $1.40
Uppercase Alphabet (Get Ready Books)- $1.40
Same or Different (Get Ready Books) – $1.40
Mazes Preschool Activity Zone (ages 4-6) – $1.40
Hidden Pictures Discovery Activity Zone (ages 5+) – $1.40
Hidden Pictures Alphabet Activity Zone (ages 5+) – $1.40
Plus, these will ship free with Amazon Mom! .