There are 3 books in the Dactyl Hill Squad series. The newest book is Thunder Run which came out in 2020.

1
Dactyl Hill Squad

By Daniel José Older , Daniel José Older ,

Book cover of Dactyl Hill Squad
"An unforgettable historical, high-octane adventure." -- Dav Pilkey, author-illustrator of the Dog Man series

It's 1863 and dinosaurs roam the streets of New York as the Civil War rages between raptor-mounted armies down South. Magdalys Roca and her friends from the Colored Orphan Asylum are on a field trip when…
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2
Freedom Fire

Book cover of Freedom Fire
"An unforgettable historical, high-octane adventure." -- Dav Pilkey, author-illustrator of the Dog Man series

Magdalys and the squad are flying south on pteroback. South to rescue her older brother. South to war.The squad links up with the dino-mounted troops of the Louisiana Native Guard, an all-black regiment in the Union…

3
Thunder Run

Book cover of Thunder Run
"An unforgettable historical, high-octane adventure." -- Dav Pilkey, author-illustrator of the Dog Man series

Magdalys's connection with the dinosaurs has led the US Army to some important victories, but the Civil War's not over yet and the squad members find themselves fighting deep in the Louisiana bayou. Then General Ulysses…