During the
COVID-19 lockdown, Lessore reworked the three chapters he started for his dissertation. Via a four-way auction and two-book deal in 2022, Hot Key Books (a
Bonnier imprint) acquired the rights to publish Lessore's debut novel
Steady for This in 2023.
Steady for This won the
Branford Boase Award. It was also shortlisted for a
Jhalak Prize and the
Carnegie Medal. This was followed by Lessore's second novel
King of Nothing in 2024.
King of Nothing won the
Waterstones Children's Book Prize for Older Readers, the Jhalak Prize in the Children's and Young Adult category, and the Carnegie Medal's Shadowers' Choice Award. Announced in 2024, Little Tiger acquired the rights to publish Lessore's middle grade
Not My Superpower series illustrated by Simran Singh. In addition, Lessore reunited with Hot Key Books for the publication of
What Happens Online in 2025.
What Happens Online was shortlisted for a
Books Are My Bag Readers' Awards and a British Audio Award. In 2026, Lessore was nominated for the
Ruth Rendell Award. His next teen novel
Against All Odds featured on the 2026
World Book Day list. ==Bibliography==