Nigel Calder

When it's sink or swim, this Quick Guide will keep you afloat!On the water, when an engine problem surfaces, there is no time to spend searching through an exhaustive manual. Diesel Engine Care and Repair provides all the answers--fast.Drawn from the world's largest boating library, it presents 14 color panels of authoritative, concise information on diesel engines. This on-the-spot reference is a convenient, accessible, and utterly streamlined information resource.

"Magic Universe brings current science to the general reader in an imaginative and wholly original way. It offers an exhilarating tour of the horizons of knowledge, from quarks to linguistics, climate change to cloning, and chaos to superstrings, presented as a set of self-contained stories. The stories are arranged as A-Z entries, but this is not a conventional encyclopedia: each story unfolds in a totally unpredictable way, seamlessly crossing disciplines, and told in engaging, accessible language."--BOOK JACKET.

Cosmic rays coming from exploded stars help to make clouds that cool our planet, but when the sun is in a vigorous mood it blows many cosmic rays away and allows the world to grow warmer. This amazing discovery by Danish scientists smashes the 'greenhouse' theory, which says that the cause of the recent global warming is carbon dioxide and other gases added to the air by human carelessness. Instead the ever-changing sun, which also varies its output of light, accounts for most or all changes of climate over past centuries and our own. Here, in plain language, is the story of the battle between the solar theory and the greenhouse theory.

Explains the characteristics of comets.

Explains our concept of time and methods of dating events, uses maps and timelines to show what has happened from the creation of the universe to the launch of the space shuttle, and provides an index to key events.

Foretells the return of Halley's Comet and discusses the history, legends, and science of comets in general.