There are 12 books in the Ranger in Time series. The newest book is Attack on Pearl Harbor which came out in 2020.

Meet Ranger! He's a time-traveling golden retriever who has a nose for trouble . . . and always saves the day!

Ranger has been trained as a search-and-rescue dog, but can't officially pass the test because he's always getting distracted by squirrels during exercises. One day, he finds a mysterious…
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2
Danger in Ancient Rome

By Kate Messner , Kelley McMorris (illustrator) ,

Book cover of Danger in Ancient Rome
Ranger, the time-traveling golden retriever, is back for the second book in Kate Messner's new chapter book series. This time, he's off to save the day in ancient Rome!

Ranger is a golden retriever who has been trained as a search-and-rescue dog. In this adventure, Ranger travels to the Colosseum…

4
Race to the South Pole

By Kate Messner , Kelley McMorris (illustrator) ,

Book cover of Race to the South Pole
Ranger, the time-traveling golden retriever with search-and-rescue training, is back! This time, he joins a dangerous expedition to the South Pole!

Ranger, the time-traveling golden retriever with search-and-rescue training, joins an early twentieth-century expedition journeying from New Zealand to Antarctica. He befriends Jack Nin, the stowaway turned cabin boy of…

5
Journey through Ash and Smoke

By Kate Messner , Kelley McMorris (illustrator) ,

Book cover of Journey through Ash and Smoke
Ranger, the time-traveling golden retriever with search-and-rescue training, goes to Viking age Iceland!

Ranger is a time-traveling golden retriever with search-and-rescue training. In this adventure, he goes to Viking age Iceland, which proves to be tough terrain for Ranger to navigate. Usually it's Ranger's job to save the day before…

6
Escape from the Great Earthquake

By Kate Messner , Kelley McMorris (illustrator) ,

Book cover of Escape from the Great Earthquake
Ranger, the time-traveling golden retriever with search-and-rescue training, helps two new friends survive the Great San Francisco Earthquake!

Ranger travels to San Francisco and meets Lily Chen. She was sent from China to America to work as a young servant, but she dreams of studying to be a doctor. When…
Book cover of D-Day: Battle on the Beach
Ranger, the time-traveling golden retriever with search-and-rescue training, heads to Normandy during World War II!

In this adventure, Ranger heads to Normandy on the morning of the D-Day invasion and finds himself in the middle of one of the fiercest battles of World War II. Ranger meets Leo, a Jewish…

8
Hurricane Katrina Rescue

By Kate Messner , Kelley McMorris (illustrator) ,

Book cover of Hurricane Katrina Rescue
Ranger, the time-traveling golden retriever with search-and-rescue training, sets out to help a family in New Orleans during Hurricane Katrina!

Ranger, the time-traveling golden retriever with search-and-rescue training, arrives in New Orleans as Hurricane Katrina approaches and residents start to evacuate the city. Ranger meets Clare Porter, who is searching…

9
Disaster on the Titanic

By Kate Messner , Kelley McMorris (illustrator) ,

Book cover of Disaster on the Titanic
Ranger, the time-traveling golden retriever with search-and-rescue training, finds himself in 1912... on board the Titanic!

Everyone says the Titanic is unsinkable, and Patrick Murphy believes this most of all. He grew up near the shipyard where the magnificent ship was built and officially started working there when he turned…

10
Night of Soldiers and Spies

By Kate Messner , Kelley McMorris (illustrator) ,

Book cover of Night of Soldiers and Spies
Ranger, the time-traveling golden retriever with search-and-rescue training, travels to Colonial America to help the patriot cause!

Ranger's next mission finds him in the middle of the Revolutionary War. There he meets Isaac Pope, a fisherman turned soldier for the Continental Army. When General George Washington is in need of…

11
Escape from the Twin Towers

By Kate Messner , Kelley McMorris (illustrator) ,

Book cover of Escape from the Twin Towers
Ranger, the time-traveling golden retriever with search-and-rescue training, travels to New York City on the morning of the 9/11 attacks.

COURAGE IN THE FACE OF DANGER!

Ranger has never needed his search-and-rescue training more than when he arrives at the World Trade Center on September 11, 2001. There he meets…

12
Attack on Pearl Harbor

By Kate Messner , Kelley McMorris (illustrator) ,

Book cover of Attack on Pearl Harbor
I Survived meets The Puppy Place in this thrilling adventure novel as Ranger -- a time-traveling golden retriever -- races to the rescue on the day of the Pearl Harbor attack.

Ranger travels back to 1941 Hawaii, where World War II is on everyone's minds. That includes Ben Hansen, a…