A.B. Martin is an English author who writes thrilling middle-grade adventure stories and intriguing mysteries.
Before becoming an author, he wrote extensively for television and radio and performed comedy in a vast array of venues, including the world-famous London Palladium.
Kestrel Island is the first book in the Sophie Watson Adventure Mystery series. It was published in 2017.
Under Crook's Wood, the second in the series, was published in October 2018.
He lives in London, England, with his wife and daughter.