The Adamson family are set for a surfing holiday in Bali they'll never forget.
Dad wants to surf all day and Mum wants to shop. Zac is eager to explore a sunken WW11 shipwreck. Luke is keen to cause mischief wherever he goes. Clare on the other hand, just wants to stay out of trouble.
But while building sandcastles on Kuta Beach, the kids unearth a surprising find that dramatically changes their holiday. Curiosity leads them on a dangerous path to an adventure where difficulties lurk around every corner.
Secrets Hidden Below takes the reader on an intriguing treasure hunt around an exotic tropical island that includes plenty of rotten-egg gas, a guardian snake and a volcano spirit you definitely, don't want to anger.