A History of Medical Libraries and Medical Librarianship: From John Shaw Billings to The Digital Era.: Kronenfeld, Michael, and Jennie Jacobs Kronenfeld. Lanham, MD: Rowman & Littlefield, (2021). 341p. ISBN 978-15381-1881-8. $125.00 (hardcover). Issue 4 (2nd October 2021)