Puzzle 35 -- Turn on the lights and Solution
Puzzle 34 -- Odd goings on and Solution
Puzzle 33 -- Abduction and Solution
Puzzle 32 -- The Magic Money Machine and Solution
Puzzle 31 -- Number Games and Solution
Puzzle 30 -- Darkness and Solution
Puzzle 29 -- Seating and Solution
Puzzle 28 -- Hiking and Solution
Puzzle 27-- Another Hat Problem and Solution
Puzzle 26-- Coffee and Solution
Puzzle 25-- Rational Creatures and Solution
Puzzle 24 -- Fair Shares? and Solution
Puzzle 23 -- Celebrity Problem and Solution
Puzzle 22 -- Can Oleg beat Erdös? and Solution (pdf)
Puzzle 21 -- Searching for the truth and Solution (pdf)
Puzzle 20 -- Democracy and Solution (pdf)
Puzzle 19 --  Homework Scores and Solution
Puzzle 18 -- Spiders and a Fly and Solution (pdf)
Puzzle 17 -- The Wandering Toad and Solution
Puzzle 16 -- The Hungry Lion and Solution (pdf)
Puzzle 15 -- Hat Problem and Solution (pdf)
Puzzle 14 -- Restrooms and Solution (pdf)
Puzzle 13 --The Voting Problem and solution (pdf)
Puzzle 12 -- Level with me and solution (pdf)
Puzzle 11 -- Quarelling Quartets and solution (pdf)
Puzzle 10 -- Card Tricks and solution (pdf)
Puzzle 9 --Problems with ants and solution (pdf)
Puzzle 8 -- Here comes Santa (pdf) and solution (pdf)
Puzzle 7 --The Gridville Garbash problem and solution (pdf)
Puzzle 6 --Uniform Candy Distribution and solution (pdf)
Puzzle 5 -- Empty the Bucket and Solution
Puzzle 4 ---Vacancy and solution (pdf)
Puzzle 3 ---Take the last chip and solution (pdf)
Puzzle 2 --- Lights of the Round Table and Solution (pdf)
Puzzle 1 --- Managers and Engineers and Solution