a more difficult series aimed at older children, currently out of print. Codename Quicksilver Cobra Consignment Mystery on Main Street The entire series was reprinted in an omnibus edition. The Usborne Book of Advanced Puzzle Adventures () Science Puzzle Adventures The Science Puzzle Adventures series written by Clive Gifford contains science-related puzzles. Each tale pits the wits of Dr. Genius and his resourceful team against the world's most evil criminal superbrains. This series is also currently out of print. The Flask of Doom The Time Warp Virus Young Puzzle Adventures This series uses softer illustrations and is aimed at younger children. Some of these books were re-printed in the following omnibuses: Young Puzzle Adventures () Collecting: Molly's Magic Carpet, Wendy the Witch, Uncle Pete the Pirate, Lucy and the Sea Monster. Superpuzzles In 1995 Usborne released a 3-in-1 collection of even more advanced puzzles, The Usborne Book of Superpuzzles by Sarah Dixon, Mark Fowler, Radhi Parekh (illustrator) (ISBN 9780746007358, ISBN10: 0746007353). This includes the books Maps and Maze Puzzles, Codes and Ciphers and Logic Puzzles. External links Usborne.co.uk, the official site of Usborne Publishing Usborne Puzzle books