In 'Hardnut Hannigan and the Jewel of the Jungle'...

Harold Hannigan's parents knew their baby was different when he fell out of his cot and landed head-first on the floor. From then on, Harold was known as Hardnut Hannigan. Hardnut amazed the world with his extraordinary deeds. But, at 12 years old, he'd run out of challenges. Then he read about a long-lost, precious jewel in the deeply dangerous jungles of Mongo-Wongo. With his faithful emu Thunderbang and his beloved pooch, Itchybutt, he set off on the greatest adventure of his young life!

In 'Captain Offensnotty and the Giddi-Giddi Zombies'...

Not far into the voyage of The Concrete Slug, the crew discover that Captain 'Potty Dotty' Offensnotty is sneaking off at night to her home sweet home, which she has secretly towed behind the mother ship. While the crew has to survive sleeping fifteen to a bunk, their crafty captain lives a life of luxury, nibbling chocolates and watching television! Enraged, the sailors stage a mutiny, but, to succeed, they must get past her very big and mean cat, before being attacked by a sea serpent and the flesh-eating Giddi-Giddi Zombies!