The Art and Science of Ernst Haeckel __smallpuzz the cards are simply numbered

the cards are simply numbered 1-13

don't despair

The opening of the box is totally camouflaged—even experience puzzlers may struggle to find a clue in the impossibly smooth exterior of the box

Examine the woodwork closely—the two rings trapped on the stem are solid all the way around

The puzzles towards the front of the booklet are fairly easy but the ones at the back are nearly impossible

The Art and Science of Ernst Haeckel __smallpuzz the cards are simply numberedErnst Haeckel (1834 1919) was a German born biologist, naturalist, evolutionist, artist, philosopher, and doctor who spent his life researching flora and fauna from the highest mountaintops to the deepest ocean. A vociferous supporter and developer of Darwin's theories of evolution, he denounced religious dogma, authored philosophical treatises, gained a doctorate in zoology, and coined scientific terms that have passed into common usage, including