He wrote many philosophical books about faith, existence, emotions, and feeling.

This year he read very few if any philosophical books.

Shepherd was the author of at least two philosophical books.

This is a philosophical book related to the nature and consequences of advanced consumer capitalism.

This has got to be one of the funnier philosophical books I've read lately.

He was widely read and already taking an interest in theological and philosophical books.

You sort of have to disguise a philosophical book as an adventure story.

Most of his work is poetry, but he also wrote philosophical books.

She wrote many philosophical books and articles under the pen name Sridevi.

They all have dinner together and, over coffee, Gabriel is allowed to read from the philosophical book he has written.