Chess Problems

111 Selected Problems - Percy Wenman

http://www.4shared.com/file/rR1piGq6/Wenman.html

541 Chess Problems -  Leonid Kubbel

http://www.4shared.com/file/wmRpdzMj/Kubbel.html

Brain Twister Number 9
http://www.4shared.com/file/Quu28MmN/Twister.html