Sybilla and the Clockmaker's Secret

Billie's got 99 problems. Getting caught up in a time travel mystery wasn’t on her to-do list.

Thirteen-year-old Sybilla “Billie” Hartley always thought the weirdest thing about her life was growing up in a house full of antique clocks and bizarre relics.
That is, until a black cat with strange powers shows up—and reveals a secret that changes everything.

Lolo is not just magical; she is a Guardian Cat, part of an ancient order dedicated to protecting the boundaries of time. When a broken grandfather clock turns out to be a Time Portal, Billie is pulled into a 19th-century case involving a vanished inventor, secret societies, and a man accused of murder.

Teaming up with Lolo and Jack—the grumpy son of the local antique dealer—Billie must uncover a magic key and stop dangerous forces determined to control the clock’s powers.