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 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 on water. It's a race against time for Ranger and his friends to help get as many passengers -- including themselves -- off the ship before it's too late.

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 Risha Scott and her friend Max who have come to work with Risha's mother for a school project. But when the unthinkable happens and the building is evacuated, Risha is separated from her mom. Can Ranger lead Risha to safety and help reunite her family?

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 young sailor stationed at Pearl Harbor, and twins Paul and Grace Yamada who are making their weekly market trip when Japanese bombs begin to fall from the sky. As the surprise attack puts all of Ranger's new friends in danger, his search-and-rescue training kicks in to high gear. Can he help them survive against all odds?

In this historical adventure for middle grade readers, a dog travels through time and rescues 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 for her grandmother. Once Ranger helps Clare find Nana, he takes shelter with them at their home in the Lower Ninth Ward, and they wait for Clare’s father to return from the gas station. But there’s no sign of him as hours pass and the weather gets worse. The wind picks up and rain pours down. And when the levees break, floodwaters dangerously rise, and Clare and Nana are separated. Can Ranger help Clare navigate the flooded streets to safety and back to her family? Praise for the first book in the Ranger in Time series: “This excellent story contains historical details, full-page illustrations, and enough action to keep even reluctant readers engaged.” —School Library Journal “The third-person narration expertly balances Ranger’s thoughts between the appropriately doglike (squirrels! bacon!) and the heroic (Ranger’s drive to find and protect).” —Kirkus Reviews “McMorris’s richly rendered illustrations heighten the plot’s many moments of danger and drama, and Messner incorporates a wealth of historical details into her rousing adventure story.” —Publishers Weekly

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 Oregon Trail, and soon after Ranger arrives he helps the boy save his little sister. Ranger thinks his job is done, but the Oregon Trail can be dangerous, and the Abbotts need Ranger's help more than they realize!

Ranger, the time-traveling golden retriever with search-and-rescue training, travels to Colonial America to help the patriot cause! Ranger heads to the Revolutionary War just before the Battle of Trenton. He meets Isaac Pope, a fisherman turned soldier for the Continental Army. When General George Washington is in need of a spy to cross into enemy territory, Isaac is chosen for the dangerous task. Ranger must help Isaac remain safe and undetected, or the battle -- and their lives -- will be lost.

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 the Great Earthquake hits, Ranger arrives in time to rescue Lily from falling beams in the mission house where she lives. Together they flee to safety, stopping to help another girl, May Wong, save her little brother from the family's collapsed market. Lily and May try to make their way through the ruined city with Ranger at their side. But can they escape crumbling buildings and raging fires, all while facing anti-Chinese discrimination?