City of gold by Hobbs, Will 

BTSB Prebound(Harper, 2020)

BTSB #: 449015 Available

Dewey: FAges: 10-14   
AR: 5.3 MG

Genres: Historical Fiction Adventure Fiction

Subjects: Frontier and pioneer life - Colorado - Fiction Thieves - Fiction Mules - Fiction Single-parent families - Fiction Colorado - History|y19th century - Fiction

Summary: Determined to recover his family's mules, fifteen-year-old Owen is joined by his kid brother and Telluride's notorious marshal in pursuit of a rustler--all the way to Butch Cassidy's hideout.

Junia : the book mule of Troublesome Creek by Richardson, Kim Michele 

BTSB Prebound(Sleeping Bear Press, 2024)

BTSB #: 751842 Available

Dewey: EAges: 4-8   
Lexile: 780

Genres: Historical Fiction Animals

Subjects: Mules - Fiction Traveling libraries - Fiction Great Depression, 1929-1939 - Fiction Kentucky - Fiction

Summary: Junia, a dedicated mule with an important job, assists in delivering books and reading material to people in the Kentucky hills and woods during the Great Depression.

Sun is late and so is the farmer by Stead, Philip Christian 

BTSB Prebound(Holiday House, 2022)

BTSB #: 844474 Available

Dewey: EAges: 4-8   
AR: 3.3 LG

Genres: Animals Folk Tales, Fables, Mythology

Subjects: Farms - Fiction Mules - Fiction Cows - Fiction Miniature horses - Fiction Sun - Rising and setting - Fiction

Summary: On a peculiarly long night, three farm animals set off on a daring quest to bring the sunrise.