E-book retailer Kobo has reached an agreement with Cartoon Books, the publishing company cofounded by cartoonist Jeff Smith, to release multi-volume digital editions of Smith's Eisner Award-Winning series Bone and RASL. To mark the deal Kobo is offering free downloads of the initial volumes of both series until September 26.

The bestselling series are being offered in editions of 12 volumes each and the free downloads of the first volumes Bone and RASL are located here.

Smith’s fantasy adventure Bone has won more than 10 Eisners and 10 Harvey Awards. RASL, which was awarded the Eisner for best graphic novel of the year in 2014, is a noir sci-fi thriller. The books are released in print in different editions by both Cartoon Books and Scholastic/Graphix.

Vijaya Iyer, co-founder, publisher of Cartoon Books and the wife of Jeff Smith, said, “Kobo is one of the most popular digital reading companies in the world and we are excited to launch Bone and RASL comics with them. We aim to reach lovers of comics, manga, and graphic content everywhere and we know Kobo is a great partner to be working with.”

Santiago Melo, merchandiser, Kobo, said the retailer was “thrilled,” to have a deal with Cartoon Books. “Bone is one of the greatest all-ages graphic novels ever published, and RASL is a brilliant, multi-layered roller coaster of a story. We are looking forward to our continued relationship with Cartoon Books as well as building our catalogue of comics, manga and graphic novels.”