Lisen Adbåge, born in Linköping, Sweden, in 1982, is an author and illustrator. Her first picture book, Ellen & Bebis (Ellen & Baby), was published when she was just eighteen years old. The recipient of numerous awards, she is best known for her books about Koko and Bo, which have been hailed as modern-day classics. Her twin sister, Emma, also writes and illustrates picture books.