Rebecca Stefoff

Rebecca Stefoff published her first books when she was in college and has been writing ever since. She has written many nonfiction books for children and young adults, with an emphasis on science and history. Through her books teenage readers can explore topics as varied as ghosts, robots, bacteria, evolution, women pioneers, the ruins of Great Zimbabwe, forensic crime solving, and more. She lives in Portland, Oregon.

Charles Robert Darwin (1809-1882) was an English naturalist, biologist, and geologist, and is considered one of the most influential figures in human history. He is best known for his contributions to the science of evolution and his theory on natural selection, which he published in his 1859 book, On the Origin of Species.