For those interested in a relatively modern take on this question that isn’t as accessible, I recommend “What is Philosophy?” by Deleuze and Guattari, authors

For those interested in a relatively modern take on this question that isn’t as accessible, I recommend “What is Philosophy?” by Deleuze and Guattari, authors of “Capitalisme et Schizophrenie” one of the most important works in continental philosophy in the 20th century.