Step into the action as the U.S. Marines and the Dobermans of World War II fight to recapture the island of Guam from Japanese troops.It’s 1944, and the Second Battle of Guam is in full gear. Twelve-year-old Bo just escaped from a work camp, and he’s ready to help kick the enemy off his island.Stryker is an official U.S. Marine Doberman on an urgent mission. When Bo and Stryker meet in the jungle, they team up to help the American forces.But between painful injuries...

A loyal army of sled dog teams up with an unlikely pair of kids to help Allied forces win the Battle of the Bulge in the fifth book in this action-packed middle grade series! Perfect for fans of the Hero and Scout books.Boss the Alaskan Husky is parachuting into the middle of a snowstorm. As an army dog, it’s her job to bring supplies to Allied troops during the Battle of the Bulge. But when she finds a wounded sled dog and two lost kids, she knows she has to help ...

Twin siblings give their dog to the Coast Guard during WWII only to discover a German threat in their hometown. The sixth book in the action-packed Soldier Dogs series that’s perfect for fans of Hero and Max!When they hear about the Dogs for Defense program, twins Charlie and Kate know their yellow lab Buster would be a perfect soldier dog. So they enlist Buster in the Coast Guard, where he works alongside Army horseback patrols to protect US shores from German U-boat attacks....

A World War II merchant marine ship is attacked by Nazi submarines in the seventh book in this action-packed middle grade series! Perfect for fans of the Hero and Scout books.A year after Pearl Harbor, cabin boy Julio and his loyal Boxer, Jack, join the US Merchant Marines on a dangerous mission to bring supplies to troops on the Pacific front.But when their convoy is attacked by German U-boats, their ship sinks, leaving Julio and Jack in a lifeboat fightin...