The characters from the first book appear again in the later books.

Her later books have also become known for their religious and philosophical themes.

All of the later books take place much before the third book in the original series.

In a later book, it is noted doing so probably makes you more likely to be found by Death).

He would develop many of the ideas advanced here more fully in later books.

In the later books, she has also saved his life several times before.

In the later books, he is promoted and Sammy doesn't see him as often.

The later books are taken over by his magician-caliber family members.

But perhaps this is simply a straw man, set up to be knocked down in later books.

His two later books have focused on 19th and 20th century language attitudes.