"A compelling portrait of one of the most interesting "forgotten" women of the twentieth century, the scientist who mapped, for the first time, the ocean floor. Until Marie Tharp's groundbreaking work in the 1950s, the floor of the ocean was a mystery -- then, as now, we knew less about the ocean than we did about outer space. In a time when women in the scientific community were routinely dismissed, Tharp's work changed our understanding of the earth's...

"The Hunter Valley, 1880. Evie Ludgrove loves to chart the landscape around her home -- hardly surprising since she grew up in the shadow of her father's obsession with the great Australian explorer Dr. Ludwig Leichhardt. So when an advertisement appears in The Bulletin magazine offering a thousand-pound reward for proof of where Leichhardt met his fate, Evie is determined to use her father's papers to unravel the secret. But when Evie sets out to...