Natures logic цена
(7)
Woofdle: 75 Canine Crime Puzzles to Solve Using Logic, Skill & the Power of Walkies
Purrdle: 75 More Feline Crime Puzzles to Solve Using Logic, Skill & the Power of Catnaps
The Real Numbers: An Introduction to Set Theory and Analysis
Logic Gates, Circuits, Processors, Compilers and Computers



