- about 30 oversized mazes per book
- beautiful line mazes, suitable for coloring
- books include interesting trivia
- highly recommended

Bob can place at most 16 knights. One way to do this is to keep placing knights only on the 32 white squares. In order to see that Jane can prevent Bob from placing more than 16 knights, split the board in four 4x4 grids. Then, group the squares in each grid in pairs, as shown on the image below. If Bob places a knight on any square, then Jane will place a coin on its paired square. This way Bob can place at most one knight on each of the four red squares, one knight on each of the four green squares, one knight on each of the four brown squares, and one knight on each of the four blue squares. Therefore, he can not place more than 64/4 = 16 knights on the board.

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- 1 sleigh in the traffic
- 1 elf in the traffic
- Santa Claus in the traffic
- 1 robin bird among the Christmas trees
- 1 robin bird among the reindeer
- 1 doll among the Christmas presents
- a wizard in the snowy town

Click an image to enlarge it.

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The answer is 242 / 303 = 0.798679867986...

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The person paid with a $100 bill. The cashier returned him a $50 bill, a $20 bill, a $10 bill, a $5 bill, a $1 bill, a quarter, a dime, a nickel, and a cent. The transaction consisted of exactly one of each (frequently used) denominations.

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CLICK TO PRINT MAZE

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An informed choice is very important.

*Concept by Puzzle Prime, art by Nizar Ilman.*

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1. Lost in Translation

2. Star Wars

3. Million Dollar Baby 4. The Matrix Reloaded

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*Remark: You should have only one resulting shape, and no matches should be unused.*

First, create a Pythagorean triangle with sides 3, 4, 5, and area 6. Then simply flip its right angle inwards, so that the area decreases by 2.

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I have lakes but no water.

I have roads but no cars.

What Am I?

The answer is MAP.

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- 1 egg among the flowers
- 1 Easter egg among the flowers
- 1 bunny among the Easter eggs

Click an image to enlarge it.

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The letters R, S, T, U can be rearranged to spell "RUST".

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- 40 puzzles, 4 difficulties
- innovative concept
- compact and attractive design
- highly recommended

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The distance will be 1000 miles. It does not matter what he starting distance between the missiles is. 2 minutes before collision they will be (13000 + 17000)/30 = 1000 miles apart.

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A simple pentagon works:

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1. The Good, the Bad and the Ugly

2. Back to the Future

3. 2001: Space Odyssey 4. American Pie

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Add one line to the plus to make it a four:

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Agent A

The Room

Prune]]>

The game proceeds as follows:

1. f3 e5 (or e6)

2. Kf2 Qf6

3. Kg3 Qxf3+

4. Kh4 Be7#

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