Lerner Publishing Group

Established: 1959

Facilities: Downtown Minneapolis headquarters, distribution center in north Minneapolis.

Revenue: Undisclosed; classified as midsize independent publisher with $20 million to $50 million in annual sales.

Production: More than 400 new print titles annually; most also become an e-book.

Imprints: Lerner Publications, Hungry Tomato, Millbrook Press, Carolrhoda Books, Carolrhoda Lab, Graphic Universe, Twenty-First Century Books, Darby Creek, Lerner Digital, Lerner Publishing Services.

Number of print titles produced: More than 10,000.

Current digital catalog: 4,500 e-books, 525 interactive books, 270 e-books with audio.