The unreadable book

A book filled with an unknown script and drawings of plants. Follow the hands it passed through and the signature erased from its first page.

5 clues, no sign-in

Each answer pins a clue to the board. Right first time is green; right after a hint is yellow.

Solve another case

The girls who photographed fairiesToday1917. Two English cousins produce photographs of themselves with fairies by a stream. A few years later a famous writer believes them and tells the world. Find out what the fairies really were.
The ship without her crewDecember 1872. A ship is found in the middle of the Atlantic, and nobody who should be aboard is there. Sort the real clues from the legend.
The man in the iceSeptember 1991. A body emerges from an Alpine glacier, and nobody yet knows how long it has lain there. Follow the clues to his last day.
The blast that felled a forestThe morning of 30 June 1908. Something exploded over Siberia, and a whole forest went down. Narrow down what it was.
The boy from nowhereMay 1828. A youth carrying letters wanders the streets of Nuremberg. He says he grew up alone in a dark room. Narrow down who he was.
The chess-playing machine1770. A figure in Ottoman robes sits behind a cabinet and starts playing chess against all comers, and it wins most of its games. Use the clues to crack its secret.