Something strange is happening near Lizzie Baxter's farm. At night, there have been fires in old houses and barns. Someone calls the fire brigade every time, but doesn't give their name. Who is lighting these fires? When there's a fire on Lizzie's farm one night, she comes face-to-face with the danger.

Annie Grant isn't happy when she is sent to her aunt's farm in Ireland. When she arrives, something is wrong — Aunt Jean is behaving strangely, and Annie's cousin and uncle are nowhere to be seen. And what are the mysterious noises in the night? When Annie decides to find out for herself what's wrong on the farm, things get dangerous and she has to ride for her life.

A wedding reception turns to tragedy when robbers arrive to steal the guests' jewellery and a man is shot dead. Molly thinks there's something very strange about this crime. 'It's not a job for you', her friend tells her. 'It's a job for the police'. But Molly wants some answers. Was this just a robbery gone horribly wrong? Or did someone have enemies?

Annie is on holiday in Australia with her friend Pat. They're visiting Pat's mother Noreen and her new family. But there's something odd about these people. When Annie hears a conversation between Noreen's new husband and a strange man, she starts to get worried. Then accidents start to happen. But are they really accidents? Or is someone trying to kill Pat and his mother?

Some strange things happen to the Robinson family on their holiday on the Fijian island of Tavioka. At first it's just small things that go wrong — someone steals their shoes, and they find their rooms full of toads! But then they start to feel their lives are in danger. It becomes clear that someone doesn't want them to stay on the island. But who? And why? Their Fijian friend Iveri helps them to find out.

Jenna isn't sure about her new brother. She is sixteen, and it feels strange that her mother has just had a baby — life at home is going to be very different. Then when something terrible happens to the baby, some people think that Jenna may be to blame. But Jenna is determined to save her little brother and find out what has really happened.

Chris Jones doesn't want to spend the weekend camping with his dad. But he has been in trouble, and his dad has decided that a long hike in the forest is just what he needs. As they sit round the campfire at night, Chris and his dad hear a noise and decide to find out what it is. What they see shocks them both, and puts them in great danger. This is an exciting thriller that will make you think twice about going camping ever again!

When Pat Devlin goes to visit his friend Annie in Glasgow, Scotland, he is surprised at how rude her next-door neighbour is. The man isn't only unfriendly — he also makes a lot of noise, which keeps Annie and her mother awake at all hours. Pat and Annie begin to suspect that this strange man is not who he says he is. They decide to investigate. Can they stop a serious crime from taking place?

After a terrible car accident, Rose doesn't like to go out. Instead, she watches the world from her balcony. She sees people down in the street below. She watches them coming and going from her building. One day Rose sees someone acting strangely and decides to watch more closely. She soon finds out that two people in her life are in danger. She needs to do something to help — but is she brave enough?

Walking near the beach near his family's farm one night, Nick Bennett sees a boat bringing something unusual to shore — people. He suspects that they are illegal immigrants. When he goes to investigate what's happening on a nearby farm, he realises he was right. Soon Nick finds himself involved with a brother and sister and their desperate attempt to escape from a ruthless people-smuggler.