Case Closed?!

by Jurg Obrist

Published 3 August 2003

Complex Cases

by Jurg Obrist

Published 1 April 2006
The reader can use visual clues and deductive reasoning to help Daisy and Ridley unravel three different crimes.

Open and Shut Cases

by Jurg Obrist and Jeurg Obrist

Published 1 September 2003