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The Puzzle Adventure book series from Usborne Publishing Ltd was first created in 1984 with the release of Escape from Blood Castle. The first three volumes of the series were originally released as "Usborne Solve It Yourself". Each book contains a vividly illustrated story, with a plot-related puzzle to solve on each double page.
Unlike other puzzle books, each page is involved in solving the book's riddle. Specifically, each page represents a room or space in a hypothetical house, and each room leads to other "rooms" in this "house". Part of the puzzle involves reaching the center of the house, Room #45 (page 45 in the book), and back to Room #1 in only sixteen steps.
For example, if 12 across and 7 down both have three digits and the clue for 12 across is "7 down times 2", one can work out that (i) the last digit of 12 across must be even, (ii) the first digit of 7 down must be 1, 2, 3 or 4, and (iii) the first digit of 12 across must be between 2 and 9 inclusive.
Download QR code; Print/export Download as PDF; Printable version; ... Pages in category "Puzzle books" The following 42 pages are in this category, out of 42 total.
The puzzle is studied by D. E. Knuth in an article on estimating the running time of exhaustive search procedures with backtracking. [2] Every position of the puzzle can be solved in eight moves or less. [3] The first known patented version of the puzzle was created by Frederick Alvin Schossow in 1900, and marketed as the Katzenjammer puzzle. [4]
Game designer Cliff Johnson defines a meta-puzzle as "a collection of puzzles that, when solved, each give a piece of a master puzzle." [2] A metapuzzle is a puzzle that unites several puzzles that feed into it. For example, five puzzles that had the answers BLACK, HAMMER, FROST, KNIFE, and UNION would lead to the metapuzzle answer JACK, which ...
In the USA the first 10,000 people who finished all 24 puzzles on May 11, 2006, and successfully registered for the final contest received a Cryptex replica with a scroll inside, containing a URL to the final puzzle (the code to open the cryptex was "GRAIL", and only the last two letters were necessary). The final puzzle was released on May 19 ...
Puzzle books may contain puzzles all of simply one type like (e.g. crosswords, sudoku, or wordsearch) or a mixture of different puzzle types. Puzzle books may be aimed for either adults or children. Puzzle books can be used for many purposes such as education or purely for entertainment. The first crossword puzzle book was published in 1924 by ...