Transgenic animals—hybrids between two or more species—exist all around us, as mere agricultural and pharmaceutical beasts of burden. This little-noted biological frontier inspires novelist Laurence Gonzales to ponder the day when a human-bonobo mix is possible, resulting in his eponymous character, a young girl who finds herself in a storm of controversy and greed.

July 22: On this day in 1941, on his twelfth wedding anniversary, Eugene O'Neill presented the just-finished manuscript of Long Day's Journey into Night to his wife, Carlotta.

Crime fiction legends Dennis Lehane and Michael Connelly discuss the new book that unites their beloved sleuths Patrick Kenzie and Harry Bosch.