Edward Irving Wortis, known professionally as Avi, is an American author who has penned a significant number of books primarily for young adults and children. Born in Brooklyn, New York, he received the nickname 'Avi' from his twin sister in infancy. His family had literary connections, with both grandfathers being writers and one grandmother a playwright. Avi's early education included a period at Elisabeth Irwin High School, where a tutor named Ella Ratner significantly influenced his writing path. He faced academic challenges due to dysgraphia, a writing disorder.

Avi's extensive bibliography includes over 80 books spanning various genres such as historical fiction, fantasy, mysteries, and picture books. His work has garnered critical acclaim and numerous awards. Notably, he received the Newbery Medal in 2003 for 'Crispin: The Cross of Lead,' and was a runner-up for the same award in 1991 and 1992 for 'The True Confessions of Charlotte Doyle' and 'Nothing but the Truth,' respectively. His writing career is marked by a dedication to diverse age groups and literary styles, with recent works continuing to receive positive reception. Avi currently resides in Colorado.

Born Edward Irving Wortis on December 23, 1937, in Brooklyn, New York, Avi was given his lifelong nickname by his twin sister when he was just one year old. His family background was steeped in literary tradition; his grandfathers were writers, and his grandmother was a playwright. Avi's mother fostered a love for reading by reading aloud nightly and encouraging library visits. Despite early academic struggles, including dysgraphia, a condition affecting writing, he found crucial support from his tutor, Ella Ratner, at Elisabeth Irwin High School. This personalized guidance proved instrumental in his development as a writer.

Avi has authored approximately 80 books, predominantly for young readers, exploring a wide array of genres from historical fiction and fantasy to mysteries and realistic narratives. His dedication to his craft has been recognized with significant accolades. The Newbery Medal, a prestigious award in children's literature, was bestowed upon him in 2003 for 'Crispin: The Cross of Lead.' Prior to this, he received Newbery Honors in 1991 for 'The True Confessions of Charlotte Doyle' and in 1992 for 'Nothing but the Truth.' His work continues to be celebrated, with recent novels like 'Catch You Later, Traitor' and 'Old Wolf' receiving critical praise, and his series, including 'Crispin,' expanding over the years.