About Gosia Herba Gosia Herba has been working for publishers, magazines, music labels, and ad agencies for the last fifteen years. She’s also an illustrator and author of books for children and graphic novels. Books by Gosia Herba No. 5 Bubblegum Street by (author) Mikolaj Pa illustrated by Gosia Herba Ages 4 to 8 Grades p to 3