Candice Ransom 
Lifesaving Adventure of Sam Deal, Shipwreck Rescuer [PDF ebook] 

When a ship begins to sink . . . a boy and his pony rise to the occasion. Pea Island, North Carolina, 1896. Sam Deal loves horses, especially his little pony, Ginger. The men at the lifesaving station on the beach make fun of Ginger, but Sam knows she s a worthy steed. When a ship begins to sink on a stormy, scary night, Sam and Ginger get to test their strength. Can Sam and Ginger brave the waves to help save the shipwrecked passengers and crew?