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 first aid kit in the garden and is transported to the year 1850, where he meets a young boy named Sam Abbott. Sam's family is migrating west on the...

This time the mysterious box that Ranger the Golden retriever found transports him to a Maryland plantation before the Civil War, where he must help a young house slave named Sarah and her younger brother Jesse find their way to the underground railroad and North to freedom, before Jesse is sold to a plantation further South.

Ranger, the time-traveling golden retriever, has landed in Viking age Iceland, where he meets a girl named Helga, who seems perfectly able to take care of herself--until an erupting volcano and an early arriving baby forces Ranger and Helga to journey through the ash and smoke to find her father and bring him home.

Ranger, a time-traveling golden retriever with search-and-rescue training, heads to Normandy on the morning of the D-Day invasion where he meets Leo, a Jewish boy who is hiding with a local farmer, and Walt, a young American soldier fighting to free France from the Nazis.

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 thirteen. He's even been chosen to be part of the crew during the Titanic's maiden voyage! Ranger meets Patrick before the ship sets sail, and once on board, they befriend Maryam and Hamad. But one night, the ship hits an iceberg and starts to take...

Ranger the time-travelling Golden retriever was trained for search-and-rescue and even though he did not pass the tests he has used his training on his many trips to help people caught up in disasters; now he has arrived at the World Trade Center on the morning of September 11, 2001 just as the first plane hits, and he must rescue fifth-graders Risha and Max who are trapped in the wreckage, guide them to safety, and hopefully reunite them with Risha's...