Painless Life Science (Barrons Painless)

This book (formerly titled Painless Life Science), proves that biology can be both intriguing and enjoyable. The author helps students solve puzzles and find answers to questions as they learn to classify living things from bacteria and viruses to plants and animals. Other topics covered include cells, parts of the plant, animals in their environments, human body systems, genetics, ecology, natural selection, and general health issues.