Learn about the plants and animals of the Earth while having fun with search puzzles.

The impact of The Late Great Planet Earth cannot be overstated. The New York Times called it the "no. 1 non-fiction bestseller of the decade." For Christians an

Analysis of the current interest in supernatural experiences and a strategy for combatting the forces of evil.

In the mid-1990s, astronomers made history when they began to find planets orbiting stars in the Milky Way. More than eight hundred planets have been found sinc

"Tender and illuminating. A beautiful debut." --Rebecca Stead, Newbery Medal-winning author of When You Reach Me A heartrending and hopeful debut novel about a