by Dj Ape (Author)
Volume 4: The Apex of Cage-Sum Logic
The Revenge series continues to test the world's most dedicated logic puzzle fans. Face grids with absolutely no given digits, relying entirely on arithmetic cage constraints to crack the architecture.
Designed for experienced solvers, these puzzles demand complex subset analysis, cage splitting, and extreme applications of the Rule of 45.
Designed by Dr. DJAPE, a master logician with a PhD in Computer Science, ensuring every puzzle operates on flawless, guess-free logic.
Author Biography
DJAPE is the author of over 35 puzzle books, ranging from Sudoku variants such as Killer Sudoku and Samurai Sudoku to Hidoku, CalcuDoku and Picross/Hanjie/Griddlers/Nonograms puzzles. Also, Djape contributes regularly to newspapers and magazines across the globe, including The Washington Post. Currently Djape is working on his PhD thesis in Computer Science. Likes sailing, playing bridge and traveling.
Number of Pages: 106
Dimensions: 0.22 x 9 x 6 IN
Publication Date: October 26, 2010
