Cloudburst
Jack Courtney has lived in the UK his whole life. But this summer his parents are travelling to the Democratic Republic of the Congo for a gorilla conference, and they've promised to take Jack and his friends with them. When his parents go missing in the rainforest, abducted by mercenaries, nobody seems to have any answers.
Thunderbolt
Jack and his friends Amelia and Xander are in Zanzibar diving for lost treasure to support Jack's mother's coral protection project. Going further than usual on their last day, their dive boat is lured into a trap and captured by Somali pirates. Determined that his mother shouldn't pay a ransom for their release, Jack won't give up his attempts to escape.
Shockwave
On the pretext of making a film for his mother's environmental protection work, Jack wangles an expedition to the Arctic with his friends Amelia and Xander and cousin Caleb. But Xander's investigations into the mysterious backers funding their adventure raises Jack's suspicions.