Printers Row Publishing Group:

Silver Dolphin Books Silver Dolphin Books publishes award-winning activity, novelty, and educational books for children. Visit Silver Dolphin Books Website
|Thunder Bay Press Thunder Bay Press brings information to life with highly visual reference books and interactive activity books and kits. Visit Thunder Bay Press Website
|Canterbury Classics Canterbury Classics publishes classic works of literature in fresh, modern formats. Visit Canterbury Classics Website
|Portable Press
|Studio Fun International Studio Fun International produces engaging and educational books and books-plus products for kids of all ages. Visit Studio Fun International Website

Category: Who Knew

Since its creation in the 1980s, the now-iconic video game Tetris has sold more than 100 million copie...

Why do elephants have such big ears? What's the difference between fog and mist? Who invented sliced b...

Why are modern humans larger than people who lived 500 years ago? Can people spontaneously combust? Ho...

In Who Knew? Physics, you’ll learn the mind-blowing answers to questions about the way our universe...

Who Knew? Women in History is a compendium of more than a hundred articles about women who have playe...

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