Read Good Omens

Rincewind guides the Disc's first tourist; the world arrives on the back of four elephants and a turtle.

A red star approaches the Disc and Rincewind is the only one who can read the spell.

A god reduced to a tortoise and the one boy who believes; the Discworld book to start with.

Death takes an apprentice; the Discworld finds its voice.

The Ankh-Morpork Night Watch, a dragon and Sam Vimes; the first Watch book.

A wizard's staff goes to an eighth daughter; Granny Weatherwax argues with the university.

A sourcerer is born and magic returns to the Disc all at once.

Three witches, a murdered king and a travelling theatre; Macbeth as Pratchett tells it.