Lyryx is a full-service publisher of Open Educational Resources in the subject areas of Mathematics, Statistics, Accounting, and Economics. We combine free open textbooks with affordable high quality online homework, comprehensive editorial services, and dedicated in-house support. Lyryx works directly with instructors to adapt the resources to meet their needs: This includes editing the textbook, assisting with creating assignments, customizing supplements, and providing ongoing support through the duration of the course.