Ingenious Mathematical Problems and Methods originally published by Blackie and

originally published by Blackie and Son

light catchers

and Quetzalcoatl

This treasury was assembled by a noted folklorist who heard these picturesque traditional tales over a century ago while visiting in rural homes throughout Scotland

inclination

Ingenious Mathematical Problems and Methods originally published by Blackie andFor two decades, an international readership of workers in applied mathematics submitted their favorite puzzles to a mid twentieth century column, The Graham Dial. This original collection features 100 of the publication's very best problems, with themes ranging from logic and engineering situations to number theory and geometry. Each problem was specifically selected for its widely differing modes of solution, and most include several methods of