2014 Winner. "A combined history of the Puerto Rican parrot and the island of Puerto Rico, highlighting current efforts to save the Puerto Rican parrot by protecting and managing this endangered species"--Provided by publisher.
2013 Winner. Recounts the scientific discoveries that enabled atom splitting, the military intelligence operations that occurred in rival countries, and the work of brilliant scientists hidden at Los Alamos.
2012 Winner. Award-winning artist Sweet tells the story of the puppeteer Tony Sarg, capturing his genius, his dedication, his zest for play, and his long-lasting gift to America--the inspired helium balloons that would become the trademark of Macy's Thanksgiving Day Parade.
2011 Winner. On remote Codfish Island off the southern coast of New Zealand live the last 91 kakapo parrots on earth. Originally this bird numbered in the millions before humans brought predators to the islands. Now on the isolated island refuge, a team of scientists is trying to restore the kakapo population.
2010 Winner. When America created NASA in 1958, there was an unspoken rule: to be an astronaut, you had to be a man. Here is the tale of thirteen women who proved that they were not only as tough as the toughest man but also brave enough to challenge the government.
2009 Winner. Using an "Everyman" player as his narrator, Kadir Nelson tells the story of Negro League baseball from its beginnings in the 1920s through the decline after Jackie Robinson crossed over to the majors in 1947.
2008 Winner. Through annotated illustrations, journals, maps, and dreamscapes, Peter Sis shows what life was like for a child who loved to draw, proudly wore the red scarf of a Young Pioneer, stood guard at the giant statue of Stalin, and believed whatever he was told to believe.
2005 Winner. In the mid-1930s, Marian Anderson was a famed vocalist who had been applauded by European royalty and welcomed at the White House. But, because of her race, she was denied the right to sing at Constitution Hall in Washington, D.C. This is the story of her resulting involvement in the civil rights movement of the time.