Join Emma and Brody on their adventure through the Crystal Cave as they leap from modern-day West Virginia to the 1851 California Gold Rush to find pure Gold. If you loved the novel Rusher's Gold, keep the excitement rolling with this activity book!In this activity book kids will enjoy:Crossword, Word Search and Hidden Message Puzzles, Fun Facts Behind the Story and Locations, Details about the Rocks and Minerals in the Story, Experiments to do at Home, Online Scavenger Hunt, Character Details and Secrets, Write-Your-Own Adventure Activities, and Story Quizzes. Rusher's Gold is the second book in the middle-grade adventure/sci-fi series Crystal Cave Adventures. In the novel, teenagers Emma and Brody live an ordinary life in Diamond Falls, West Virginia until one day when their neighbor, a famous geologist they call Mr. M, shows them the wildest time of their lives.When Mr. M's prized rock and mineral collection is destroyed before it can be displayed at the state museum, Emma and Brody jump at the chance to find new samples. The geologist accepts the offer, and promptly sends them back to the year 1775 to help!After a successful trip to England where they collected the rare Blue John Fluorite, the teens are quick to jump at the chance to travel to the California Gold Rush in 1851. When they arrive at the Gold Rush and meet an old acquaintance of Mr. M's, they think the mission will be easy until they realize their new friend may not be able to help them at all.When their actions in the past erase their future, can Emma and Brody right the wrong? With a hostile group of miners hot on their trail, Brody and Emma must collect the gold, save their friends, and salvage the future before it is too late.The adventure may be fiction, but the pure gold and the locations in the novel are real. Through this activity book, you will love discovering the interesting facts and science behind the exciting story. If you like adventure and time travel mixed with your geology, then you'll love Tracy Diane's exciting series.