What does the cryptic crossword clue "Cancel e-book about A-lister (5)" mean?

The definition is "A-lister". The wordplay uses a hidden word. Hidden in "canCEL E-Book about a-lister" The answer is CELEB.

Cancel e-book about A-lister (5)

Guardian Cryptic #29142 | 9 Across | 2023-08-07 flower