Tom Gates, the beloved character from the popular children's book series by Liz Pichon, does not have a sister. He does, however, have a younger brother named Derek.
The books often focus on Tom's relationship with Derek, highlighting their playful rivalry and the challenges of being siblings.
Tom's family is a recurring theme throughout the series, often featuring his parents, his grandmother, and his pet hamster Gerald.
While there are many other characters in the Tom Gates universe, a sister is not one of them.
