Book 5: The Spider & Snake - The fifth book in the series finds the friends stranded on a pirate island, run by a spider and snake. When a little duck tells a story of how the pirates stole his gold, how will Grasshopper and his friends find the treasure and escape the island?
Book 6: The Kraken - Having escaped from Spider & Snake Isle, the friends are lost at sea, when a mermaid brings them back to her underwater city. But when the friends learn that the city is terrorized by a beast called the Kraken, will the friends be able to defeat this monster?
Book 7: The Emerald Staff - In Part 2 of The Kraken, just as all hope is fading, the friends return in the milk jug submarine to battle the Kraken and save the mermaid. Rushing to their aid is a mysterious hare, with a magical green rod, who offers help. How will this new team defeat the Kraken once and for all? Note: Includes a special mini story: The Sky Lanterns - Based on Olga Titova's original three part illustrative story, this short story tells the tale of a baby Koala who builds and releases tiny sky lanterns, for his friends, down below the treeline canopy, to see and enjoy.
Book 8: The Crystal Centipede - Having finally defeated the Kraken, Grasshopper and Mouse travel to Hare's castle. Once there, they learn that a crystal centipede is chewing away at the bedrock of the castle's foundation. To stop the centipede, the friends race to light ten torches, deep in the catacombs, to scare him back into the pit.