Maranna Chan: 9 books

Meet the Triple Nine Sleuths. Corey, Colton and Stacy must solve a series of intriguing mysteries, facing danger and shadowy suspects along the way. As the intrepid teens search for answers, big secrets are revealed and surprising connections are drawn between old cases. In Dangerous Message, Colton...

Danger threatens to overshadow fun as a holiday camp on idyllic St John’s Island turns into an urgent quest to find a killer. The Triple Nine Sleuths’ search for answers leads to an old, haunted house rich with secrets. Does this strangely alluring place hold the key to solving the murder? Join the Triple Nine Sleuths on a spooky adventure in Dangerous Island.

Something strange is in the air. Across the island, bodies are turning up with a symbol mystifying to all but the Triple Nine Sleuths. When policewoman Faizah goes missing, Corey, Colton and Stacy team up with her heartbroken boyfriend Corporal Faris to crack the code. Could this uncanny symbol show Stacy where her missing parents are?

No one believes Colton when he suspects foul play after witnessing an elderly woman fall to her death from her high-rise flat. The police classify it as a suicide, but Colton knows the truth. Corey and Stacy rally to help him investigate and the Triple Nine Sleuths must race against time as danger...

Shortlisted, Popular Readers' Choice Awards 2015, English (Children) Category Stacy’s parents are alive! But where have they been all these years, and where is her uncle, Samuel Oei? Will Stacy, Corey and Colton solve the Enneagram Killer’s riddles and find her parents before it’s too late? Find out all the answers in this exciting conclusion to the Triple Nine Sleuths series.

Shortlisted for Popular Readers' Choice Award 2014, English (Children) Category Get ready for high adventure. The Triple Nine Sleuths are Singapore’s latest amazing teen detective trio, using their creativity and intelligence to solve mysteries, even when the Police are stumped! But there...

Corey, Colton and Stacy are in for a foul surprise: a decomposing body is found in the neighbourhood. Is it a natural death? Or a devious murder? The Triple Nine Sleuths’ desire for truth leads to a frantic search for clues. As patterns emerge, shy Corey fears she could be the next victim. Can the...

In Dangerous Schemes, Corey, Colton and Stacy find themselves being chased by thugs in Sentosa’s Children’s Museum. With the doors locked and no way to escape, the Triple Nine Sleuths have to come up with a plan to stop a mysterious object from falling into evil hands! Plus, Stacy gets one giant step closer to finding out who her father is…

Get ready for high adventure. The Triple Nine Sleuths are Singapore’s latest amazing teen detective trio, using their creativity and intelligence to solve mysteries, even when the Police are stumped! But there is one mystery that remains unsolved, a puzzle that Stacy, Corey and Colton are desperate...