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In Calculating the Cosmos, Ian Stewart presents an exhilarating guide to the cosmos, from our solar system to the entire universe. He describes the architecture of space and time, dark matter and dark energy, how galaxies form, why stars implode, how everything began, and how it's all going to end. He considers parallel universes, the fine-tuning of the cosmos for life, what forms extraterrestrial life might take, and the likelihood of life on Earth being snuffed out by an asteroid.

Generations of parents have relied on the influential bestseller Dr. Spock’s Baby and Child Care as the most authoritative and reliable guide for child care. This timeless yet up-to-date edition has been revised and expanded by Dr. Robert Needlman, a top-notch pediatrician who shares Dr. Spock’s philosophy and has applied his research in his career. In this tenth edition, you can gain the latest information on child development from birth through adolescence.