You can find the official digital and physical versions through major academic retailers: Publisher Site: View options directly at W. W. Norton & Company Major Retailers: Available for purchase or rent on Barnes & Noble summary of the specific chapters updated in the 10th edition compared to the 9th? Janeway's Immunobiology: 9780393884890 - Amazon.com
While you might see "PDF" versions on third-party or discount sites, official digital copies from major retailers are usually secured through e-reader apps (like Bookshelf or Kindle) to protect the interactive content and copyright. Amazon.com Janeway's Immunobiology: 9780393884890 - Amazon.com