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Della and Lila Book Series
Della and Lila Meet the Monongahela Mermaid
Della and Lila Meet the Monongahela Mermaid is the first in a series of award-winning children’s picture books featuring stories told by Della and Lila Mitchell and arranged by their mom, Brianne. The book is illustrated by Sian Bowman.

Della and Lila Meet the Monongahela Mermaid explores the themes of nature, conservation, family, community service, and helping others. Throughout the text children are introduced to research patterns in the forms of charts, maps, and footnotes. Beginning concepts of biology, geography, and environmental science are also presented.

A beloved local landscape provides the backdrop for this story about two sisters, Della and Lila, who befriend a mermaid in trouble. As the increasing mistreatment of the Monongahela River persists, Marina the Mermaid turns to two little girls, Della and Lila, to help her save her home.

Della and Lila rally their family and friends and form a summer-long campaign to raise awareness about pollution and ecological damages in the Monongahela River. The girls and their friends work very hard to try and save Marina’s home. But, will they be able to do it?

​Find out what happens when Della and Lila work together with their family, friends, and community to help save our river.

Proceeds from the purchase of each book go toward helping children and families in southwestern Pennsylvania.

Della and Lila and the Treasure Adventure
Join Della and Lila on their next river adventure! The beautiful Monongahela River, in southwestern Pennsylvania, provides the backdrop for this magically crafted tale with unexpected twists.

This swashbuckling adventure story is rich with river pirates, mermaids, and local legends.

After learning of their mother’s secret treasure map, Della and Lila set their heart’s course to discover buried treasure of their own. The girls gain many valuable lessons along the way. But, do they ever find the treasure?

Join the sisters on their quest as they navigate southwestern Pennsylvania’s significance in the French and Indian War. In addition to many exciting and new characters, you will also meet a cast of storied, historical figures including George Washington, General Edward Braddock, and Daniel Boone.

In the space between legend and history, Della and Lila embark on an extraordinary journey, searching for buried treasure. But what they actually find is worth more than gold.

Proceeds from the purchase of each book go toward helping children and families in southwestern Pennsylvania.

Della and Lila and the Treasure Adventure is the second installment in the Della and Lila Book Series. Make sure to pick up your copy of Della and Lila and the Monongahela Mermaid.

We would like to thank our illustrator for all of her hard work.
Sian’s work can be seen by clicking the button below.
Della Mitchell
Meet our story-telling, song-writing, adventure-loving little girl.

Lila Mitchell
Meet our spunky, full-of-life, sweet, funny little girl.