With nearly six hundred identified species of birds--and an average of five "new" species discovered annually--Belize is becoming a birding hotspot for amateur and professional birders from around the globe. Thousands of birders visit the country each year to enjoy Belize's amazing abundance and var[...]
A single-volume collection of popular short puzzles culled from the math expert's Scientific American columns is grouped by subject and difficulty level and features nine new puzzles. By the author of The Colossal Book of Mathematics. 10,000 first printing.[...]