Martin Waddell, born in Belfast in 1941, is a prolific author primarily known for his children's literature. He is particularly recognized for his picture book texts featuring animal characters, such as the "Little Bear" series, illustrated by Barbara Firth. Waddell also writes under the pseudonym Catherine Sefton, creating ghost stories and mystery novels for older children. His novel "In a Blue Velvet Dress" is widely held in libraries. Waddell's career has been honored with prestigious awards, including the Hans Christian Andersen Medal in 2004 for his significant contributions to children's writing. He also received a "Lifetime Achievement Award" at the 2024 Irish Book Awards. His writing often draws inspiration from his life experiences and the landscapes of Northern Ireland, particularly the area near the Mourne Mountains. Waddell initially pursued a career in professional football before turning to writing, first for adults and later shifting his focus to children's literature.

Under the name Catherine Sefton, Martin Waddell delved into the realms of mystery and the supernatural, crafting narratives primarily for older children. This pen name allowed him to explore darker themes and suspenseful plots, diverging from his more widely known work with anthropomorphic animals. The "Catherine Sefton" books, though less numerous than his "Little Bear" series, have a distinct place in his bibliography, with "In a Blue Velvet Dress" being a notable example of his work in this genre.

Waddell's writing is deeply rooted in his personal life and the environment of Northern Ireland. Growing up with a love for animals and storytelling in Belfast and County Down, he later found inspiration in the landscapes near the Mourne Mountains. His experiences, including surviving an explosion in Donaghadee, have significantly influenced his narrative output, lending a layer of authenticity and resilience to his stories. He has acknowledged that many of his works are shaped by these formative events and locations, reflecting a profound connection to his homeland.

The impact of Martin Waddell's literary career has been widely recognized through numerous accolades. He was awarded the Hans Christian Andersen Medal in 2004, a high honor for a lifetime contribution to children's literature. Furthermore, his collaboration with Barbara Firth on "The Park in the Dark" earned them the Kurt Maschler Award. His "Little Bear" series, particularly "Can't You Sleep, Little Bear?", received the Smarties Prize. Most recently, he was honored with the "Lifetime Achievement Award" at the 2024 Irish Book Awards, underscoring his enduring legacy in the literary world.

“I've been blown up, buried alive and had cancer as an adult, and survived all these experiences, so I'm a very lucky man.”