These booklets are produced in Hungary by hand in limited editions; their contents are made of laser cut wood.
There are two objectives to this puzzle: Firstly, fill the pentagon-shaped hole and then put all the pieces into the triangular hole! According to our current knowledge at least 6 pieces are required for the mathematically strict solution. This puzzle only contains 5 however, and a little trick. This is the first book puzzle from the series in which the dissection is not strictly precise. Based on Lindgren's dissection.
Cleverly designed with an attractively innovative book cover. Solution is included.