Opal Watson

Name: Opal Watson
Brand: HarperCollins Publishers
Price: 39.99 AUD
Availability: PreOrder

A Case Most Fowl

By: Brittany J. Thurman

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Hardcover | 10 February 2026

At a Glance

Hardcover
208 Pages

Age
8+

Dimensions(cm)
20.96 x 13.97

Hardcover

$39.99

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Available: 10th February 2026

Preorder. Will ship when available.

In this second book in the middle-grade mystery series based on the popular Pinna podcast, super sleuth Opal Watson teams up with a new friend to find a missing bird and unravels even more secrets about her family's legendary history.

Opal's schoolmate Piper has lost a beloved pet: a bird named Blizzard that disappeared while her family was moving into a new house. Opal and Frank agree to track down Blizzard, even though it means teaming up with Piper's older brother, Jake, a former bully who claims he has changed his ways.

Meanwhile, Opal is still solving a mystery of her own: Who was Maude Watson—the woman whose picture she stumbled across in an old issue of the Chicago Defender newspaper—and how is she related to Opal

As Opal and her friends investigate both cases, they discover that Blizzard is more than just a missing pet—and she's not the only one missing. Meanwhile, Maude's case has Opal puzzling through a series of ciphers that take her from Chicago's historic cemeteries to abandoned underground tunnels. Can Opal and her friends outwit the birdnappers while unraveling Maude's past, or will these two cases prove to be too much

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