Jacob Sager Weinstein is the author of four non-fiction books for adults and has written for The New Yorker, HBO and the BBC. He is also a former contributor to The Onion and has won a Writers’ Guild of America Award.

The idea for City of Secret Rivers came to Jacob while walking along the Thames Embankment, as he started thinking about London's secret underground rivers and "discovered that London's history is so magical that it only takes the slightest of tweaks to make it into a fantasy story."

Odd Dot is an imprint of Macmillan Children's Publishing Group dedicated to creating joyful books for curious minds. Our mission is to develop interactive and substantive gift books that explore categories and formats never seen before. We are a proudly odd mix of makers, creators, and engineers, guided by the priorities of innovation, education, and play.

Barbara Malley is a cartoonist, illustrator, and entertainment art/animation lecturer from Southern California. She loves to draw in her sketchbook, hang out with cats, collect rocks, watch ice hockey, and read manga.