Follows the development of a horse from the time its mother is pregnant until it is fully grown.

Follows the development of a kangaroo, from a helpless joey in its mother's pouch to a strong adult kangaroo.

"Learn how some of nature's treasures are produced--from start to finish. Suitable for both struggling and at-level readers, these titles teach life science concepts as well as sequential thinking."--

Presents a step-by-step look at how seeds in the sand turn into full-grown cactus.

Presents a step-by-step look at how formation of spores turn into mature mushrooms.