Five Kingdoms by Lynn Margulis and Karlene V Schwartz (1982, ISBN 0-7167-1212-1) Subtitle-- An Illustrated Guide to the Phyla of Life on Earth.
This book provides brief descriptions of various species. The species chosen are examples of the various phylum covered. The Whittaker system, which divides life on earth into five kingdoms-- Monera, Protoctista, Fungi, Animalia, Plantae. There are 89 Phylum described. The book contains a description of a species from each Phylum with drawings, photos and a graphic indication of where these species can be found.

The Turing Omnibus by A. K. Dewdney (1989, ISBN 0-7167-8154-9). Subtitle-- 61 Excursions in Computer Science.
This book has 61 chapters, one for each excursion. The chapters are fairly short, 6-7 pages each. They cover mostly theoretical computer science. Examples include-- Algorithms, Finite Automata, Systems of Logic, Simulation, Game Trees, etc. Because the chapters are short they really only hint at what they are about. Most of these subject would require whole books just to begin to cover them. Still, if you are looking for an overview of computer science then this book delivers that.