Pei-Yu Chang was born in 1979 in Taipeh, Taiwan, where she studied German language, culture, and literature. On completion of her Master’s Degree, she traveled to Germany to do a doctorate on "Chaos Theory in Literary Studies" at Münster University. There she discovered her passion for book illustration. In 2012 she began courses in the Department of Communications Design and Illustration at the Fachhochschule, Münster. She is the author of Mr. Benjamin’s Suitcase of Secrets. She is currently living and working in Münster, Germany.

"Frist published in Switzerland in 2017 by NordSeud Verlag AG, CH-8050 Zeurich, Switzerland under the title Der geheimnisvolle Koffer von Herrn Benjamin."--Copyright page.