Childcraft : The How and Why Library (1985, Hardcover) 15 volumes brought to you by World Book Publishers in 1985. Share this timeless set with those you love.

1 Once Upon a Time
2 Time to Read
3 Stories and Poems
4 World and Space
5 About Animals
6 The Green Kingdom
7 Story of the Sea
8 About Us
9 Holidays and Birthdays
10 Places to Know
11 Make and Do
12 How Things Work
13 Mathemagic
14 About Me
15 Guide for Parents.

World book's current edition of this set only contains 12 volumes and retails for nearly $200.