Ferri's Best Test is a practical guide to clinical laboratory medicine and diagnostic imaging, authored by Fred F. Ferri. Published by Elsevier-Health Sciences Division in 2022, this textbook is part of the Ferri's Medical Solutions Ser. It covers a range of subjects within medical education and training, focusing on pathology and diagnosis. The 560-page trade paperback is written in English and provides valuable insights for those in the field of clinical medicine.