T L Whalan is a South Australian is a writer of young adult fiction. Her debut young adult apocalyptic survivalist series, Earthside, is scheduled for release in 2027. This six-part series is focused on a group of teenagers sheltering from an alien invasion in the Australian bush.
T L Whalan has also written several middle grade novel and is pursuing traditional publishing options for these novels.
T L Whalan, writing as Tegan Whalan, released a family history project, The Wirrabara Whalans, in 2024. The non-fiction book spans four generations 200 years, and was co-authored with Clynton Whalan and Leonie Whalan.