They’ve been condensed into one sentence, high yield facts that have been further animated into images that can be viewed in a flash card app which you can download for free.
Not sure about Harvard, but First Aid for Step 1, USMLE-Rx, CBL cases from classes, UWorld, Anki/Zanki, MedBullets, pubmed and google, class PowerPoints, Sketchy whatever, Goljan. I only used the cases from our classes, Google, and UWorld with my own Anki thrown in. PowerPoints sometimes. MedBullets for a fast reference.
As others have stated, self-directed learning has become the norm in medical school. The de facto purpose of lecture powerpoints is to supplement the self-directed resources, not the other way around. Alterations to medical education are changing this, albeit slowly.
The only "books" I would recommend for the first two years of med school are First Aid for Step 1 and Goljan pathology.