1. Crocodile on the Sandbank 2. The Curse of the Pharaohs 3. The Mummy Case 4. Lion in the Valley 5. The Deeds of the Disturber 6. The Last Camel Died at Noon 7. The Snake, the Crocodile and the Dog 8. The Hippopotamus Pool 9. Seeing a Large Cat 10. The Ape Who Guards the Balance
The rest of the list, which is 18 books long, can be seen HERE.