Think of your house number (as long as it's got two digits). Double it. Add 5. Multiply by 50. Add your age. Add the number of days in the year, 365. Subtract 615 and check the result. The first digits are your house number, the last two are your age. But why? Johnny Ball is well-known for his TV sh[...]

Featuring a section on debug, this work includes coverage of avoiding common hardware, software and interrupt problems. It also contains a section on system integration and debug to address the capabilities of emulators and debuggers, a section about combination microcontroller/PLD devices, and info[...]

This comprehensive volume describes in depth all the Celtic languages from historical, structural and sociolinguistic perspectives, with individual chapters on Irish, Scottish, Gaelic, Manx, Welsh, Breton and Cornish. Organized for ease of reference, The Celtic Languages is arranged in four parts. [...]

This classic work offers scores of stimulating, mind-expanding games and puzzles: arithmetical and geometrical problems, chessboard recreations, magic squares, map-coloring problems, cryptography and cryptanalysis, much more. "A must to add to your mathematics library." -- "The Mathematics Teacher."[...]

Britain's Hoverflies is a beautifully illustrated photographic field guide to the hoverflies of Britain, focusing on the species that can be most readily identified. It is the perfect companion for wildlife enthusiasts, professional ecologists and anyone else with an interest in this fascinating gro[...]

By turning over the flaps of this clever book, you can put together 1,000 imaginary dinosaurs, like the Stegodocus, the Oviplosaurus, or the Diploraptops. Each dinosaur has fascinating information about its head, body, and tail - so you can make your own Flip-o-saurus and see what it can do![...]

GuitarNothing makes a guitar ring like a dropped-D. The simplicity and grace within this tuning really catch one's ear, and it lends itself well to almost any type of music. This book features 17 pieces in dropped-D tuning, covering a wide array of musical genres. All songs are played fingerstyle. C[...]

If you could be invisible, what would you do? The chances are that it would have something to do with power, wealth or sex. Perhaps all three. But there's no need to feel guilty. This title tells the history of humanity's turbulent relationship with the invisible.[...]

Shows how crystal gazing is a skill that may be mastered by anyone, to be used for positive and healthy self-improvement. Based on her own practical experience, the author provides easy-to-follow steps in the ancient art of scrying.[...]