HBO has renewed its upcoming “Harry Potter” television series for a second season before the first season premieres. Multiple outlets report that the renewal comes ahead of the show’s debut this Christmas and is part of HBO’s broader plan to adapt all seven of J.K. Rowling’s “Harry Potter” books into seven television seasons over roughly a decade. Season 2 is set to draw from the second novel, “Harry Potter and the Chamber of Secrets,” though details beyond the book source are not specified in the reports.

BBC News adds that production for Season 2 is scheduled to begin in autumn later this year. Variety similarly reports that “Chamber of Secrets” will begin filming this fall, aligning the renewal timing with the start of the next installment’s production cycle. The reports do not describe cast changes or new creative-team information, and they do not provide further episode counts or timelines beyond the season-to-season adaptation approach and the autumn filming window.