After a seven-year run, the RELX Group has given up its title as the world’s largest book publisher, displaced by ThomsonReuters. The Canadian-based legal and professional publisher had a solid 2024, with revenue rising 6%, to $6.43 billion. After a flat 2023, sales at RELX slipped slightly in 2024, falling about 1%, to $6.2 billion for the STM and legal publisher.