Ladybird Expert is a 13-book series with 13 released primary works first released in 2016 with contributions by Jim Al-Khalili, Steve Jones, Ben Saunders, Michael Wooldridge, Marcus Chown, Gus Casely-Hayford, Sam Willis, Helen Czerski, Tom Holland, Helen Scales, James Holland, Janina Ramírez, and Daisy Dunn.