Usborne Puzzle Adventure series

[yetie]

A collations of puzzle books that includes treatments
After it was mention i went looking for it and found some treatments

Agent Arthur Arctic Adventure



Agent Arthur on the Stormy Seas




Crimebusters Investigate


Incredible Dinosaur Expedition


Journey to the Lost Temple


Mutiny at Crossbones Bay



Search for the Sunken City

[Daikinbakuju]

Thanks, I remember having Dinosaur Expedition and Sunken City before. I think they were discarded when my brother moved out.