Book Usage Data Workflows provides Apache Airflow workflows for fetching, processing and analysing data about Open Access Books. The workflows include: Google Analytics, Google Books, JSTOR, IRUS Fulcrum, IRUS OAPEN, Onix, UCL Discovery and an Onix Workflow for combining all of this data. Contributors Conceptualization: Richard Hosking, Keegan R. Smith, Aniek Roelofs, Kathryn R. Napier, Cameron Neylon, and Lucy Montgomery. Data curation: Richard Hosking, Keegan R. Smith, Aniek Roelofs, James P. Diprose, Rebecca N. Handcock, Alkim Ozaygen, and Kathryn R. Napier. Formal analysis: Richard Hosking, Keegan R. Smith, Aniek Roelofs, Rebecca N. Handcock, and Kathryn R. Napier. Funding acquisition: Cameron Neylon and Lucy Montgomery. Investigation: Richard Hosking, Keegan R. Smith, Aniek Roelofs, Tuan-Yow Chien, James P. Diprose, Rebecca N. Handcock, Alkim Ozaygen, and Kathryn R. Napier. Methodology: Richard Hosking, Keegan R. Smith, Aniek Roelofs, Tuan-Yow Chien, James P. Diprose, and Kathryn R. Napier. Project administration: Richard Hosking, Keegan R. Smith, Kathryn R. Napier, Cameron Neylon, and Lucy Montgomery. Resources: Richard Hosking, Keegan R. Smith, Aniek Roelofs, James P. Diprose, and Alex Massen-Hane. Software: Richard Hosking, Keegan R. Smith, Aniek Roelofs, Tuan-Yow Chien, James P. Diprose, and Alex Massen-Hane. Supervision: Richard Hosking, James P. Diprose, Kathryn R. Napier, Cameron Neylon, and Lucy Montgomery. Validation: Richard Hosking, Keegan R. Smith, Aniek Roelofs, Tuan-Yow Chien, Rebecca N. Handcock, and Kathryn R. Napier. Visualization: Visualization: Richard Hosking, Keegan R. Smith, Rebecca N. Handcock, and Kathryn R. Napier. Writing - original draft: Richard Hosking, Keegan R. Smith, Aniek Roelofs, Tuan-Yow Chien, James P. Diprose, Kathryn R. Napier, and Laura J. Wilkinson. Writing - review & editing: Richard Hosking, Keegan R. Smith, Aniek Roelofs, Rebecca N. Handcock, Alex Massen-Hane, Kathryn R. Napier, and Laura J. Wilkinson.