Kathryn Lasky, born June 24, 1944, is a prolific American author with a vast bibliography spanning children's literature and adult non-fiction. She has also published adult works under the pseudonyms Kathryn Lasky Knight and E. L. Swann. Lasky's extensive career includes writing numerous popular children's series such as Guardians of Ga'Hoole, Wolves of the Beyond, and Dear America, alongside standalone titles and non-fiction works for young readers. Her writing has garnered significant recognition, including the Anne V. Zarrow Award and a Newbery Honor. She holds degrees in English and early childhood education and resides in Massachusetts and Maine. Her adult non-fiction has explored topics like arachnology and the history of Soviet women pilots in World War II. Lasky's books have been translated into many languages and achieved considerable international sales, particularly the Guardians of Ga'Hoole series.

Kathryn Lasky has established a prolific writing career, authoring over one hundred books primarily for children, but also for adult readers. She employs different names for her adult works: Kathryn Lasky Knight is used for most of her adult fiction and non-fiction, while E. L. Swann is the pseudonym for her novel 'Night Gardening.' Her children's literature includes widely recognized series like the fantasy-driven Guardians of Ga'Hoole and Wolves of the Beyond, as well as historical fiction series such as Dear America and The Royal Diaries. This dual approach to writing allows her to explore diverse themes and audiences across her literary output.

Lasky's most celebrated works include the Guardians of Ga'Hoole series, which has sold millions of copies and been translated into numerous languages, alongside the Wolves of the Beyond series. Her Dear America and The Royal Diaries collections often delve into historical periods through the perspective of young protagonists, offering readers immersive journeys into different eras and cultures. Her adult non-fiction works, such as 'Silk and Venom' and 'Night Witches,' showcase her interest in biography and historical events, demonstrating a breadth of subject matter that extends beyond her popular children's fantasy. Her writing often explores themes of courage, identity, and the natural world.

Throughout her career, Kathryn Lasky has received numerous accolades for her contributions to literature. She was honored with the Anne V. Zarrow Award for Young Readers' Literature in 2011. Her book 'Sugaring Time' earned a Newbery Honor, and 'The Night Journey' received the National Jewish Book Award for Children's Literature. Her extensive body of work, which includes over a hundred titles, has achieved significant international reach, with books translated into nineteen languages and substantial sales for her popular series.