The impact of sibling relationships on how people develop has been dramatically under-emphasised in the literature on child development. Drawing together new and established research, this accessible text shows that these relationships are crucial to professionals' under-standing of the children an[...]

From iconic stalwarts to more eccentric entries into the ag industry, this colorful, fun, and fact-filled book profiles scores of farm tractor classics from the twentieth century. Veteran tractor author Robert Pripps tackles each model with aplomb, offering concise descriptions and histories along w[...]

Provides an insider's view of how the massive black hole was discovered at the Galactic Center.