Nathan Haselbauer – författare

Do you have a unique ability to solve patterns and riddles?Are your friends always claiming that you are the “genius” of the group?Have you always wondered what your IQ is?Discovering your IQ has never been easier! The Everything Test Your IQ Book is the fun way to test and score your true intellect. Written by IQ expert Nathan Haselbauer, The Everything Test Your IQ Book features 12 tests with more than 400 questions, making this your one-stop resource for challenging every part of your brain!Test types include:General IQ test to get startedVerbal IQ test to test your vocabulary skillsLogic IQ test to really put you to the testMathematical IQ test to quiz your knowledge of numbersTest of Exceptional Intelligence for the advanced brainiacsBroken down by test type and difficulty level, The Everything Test Your IQ Bookis the amusing way to answer that age-old question—How smart am I, really?

Here is the biggest and most varied book of Sudoku puzzles ever compiled. Over 400 painstakingly prepared puzzles designed to satisfy all levels from beginner to expert. "The Mammoth Book of Sudoku" contains more challenges, more levels of difficulty, and more varieties of number-placement (and letter-placement) puzzles than any other collection available, including: huge array of easy to diabolically-difficult classic grids; monster Sudoku - multiple overlapping grids; secretly encoded alphabetical wordoku; liquid crystal Sudoku; and bonus kakro puzzles. It also contains full step-by-step instructions, tips and killer strategies from the founder of the International High IQ Society and confirmed Sudoku addict, Nathan Haselbauer.