Instruction:
Name some of the best overall philosophical books

Response:
Meditations by Marcus Aurelius.
Man's Search for Meaning by Viktor Frankl.
The Daily Stoic by Ryan Holiday.
The Story of Philosophy by Will Durant.
The Republic by Plato.
Discourses by Epictetus.
The Last Lecture by Randy Pausch.
Letters from a Stoic by Seneca.