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 in ancient Rome, where there are gladiator fights and wild animal hunts! Ranger befriends Marcus, a young boy Ranger saves from a runaway lion, and Quintus,...

Ranger, a golden retriever, could have been a great search-and-rescue-dog except for the squirrels--but one day he unearths a mysterious box and finds himself transported back to the year 1850 where his faithful service is really needed by a family traveling west along the Oregon Trail.

This time Ranger, the time-traveling Golden retriever, finds himself in San Francisco in the middle of the great 1906 earthquake, and his mission is obviously to get a young Chinese immigrant, Lily Chen, to safety, but as they make their way through the ruined and burning city Ranger finds that he must also accomplish something else--finding Lily, who was sold as a servant by her parents, a new family who will care for her.

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.

This time the mysterious box transports the golden retriever Ranger back to the shipyards of Belfast in 1912, where a ship is being prepared for her maiden voyage, and when he saves young Patrick Murphy from being crushed by falling boards, Ranger expects to be transported home; when he is not, he knows that somehow his job is not finished--but then, Ranger has never heard of the Titanic, and knows nothing of the fate that awaits Patrick, and all...

This time Ranger, the time-travelling Golden retriever, finds himself transported to the deck of the USS Arizona on December 7, 1941, where he rescues the young sailor Ben Hansen who is badly burned when the ship explodes--and there is a Japanese-American boy and girl in a rowboat who also need his help to find their father amid the chaos of the attack.