When Julie visits Gold Moon Ranch, a farming commune in California's gold rush country, the back-to-the-land lifestyle seems idyllic at first. But peculiar problems keep cropping up, almost as if someone was trying to shut down the commune! Then, on a secret trip to an abandoned gold mine, Julie stumbles on a mysterious message that hints at long-lost treasure. Julie is desperate to find it, before danger closes in on Gold Moon Ranch.
Julie really likes the new girl in her class, Carla Warner. Still, there's something odd about her. The things Carla says don't quite add up, and she seems to avoid answering certain questions. At first Julie is sure there's a sensible explanation, but as Carla's stories become more outlandish, Julie can't escape a disturbing fact: either her new friend is lying or she's in real danger. An illustrated Looking Back essay provides facts about America in the 1970s.
To help her family make ends meet, Kit takes a job helping an elderly lady at a rundown mansion called Rivermead Manor. When she discovers a hidden room in the old house, she is sure its secrets will make a great newspaper article. But then Jessamine, Kit's long-lost friend, appears and seems to be in trouble, yet she won't confide in Kit. Determined to help, Kit follows clues, but will both of these mysteries lead to a story that's bigger than she could have imagined, or will...