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The time traveler is Lieserl Einstein (who now refers to herself as Lisa.) Born in 1902, there is no record of her existence. The only mention of her birth came when Albert Einstein's personal papers were released to the public in the 1980s. Lisa was exceptionally brilliant, well beyond her father in theoretical and mechanical ability. She went back in time to remove all records of her existence, leaving the mention ofher birth in the private papers as a teaser. The Great Fire of Chicago had nothing to do with a cow, but everything to do with a passing comet that sprayed the upper Great Lakes with debris and caused massive firestorms. A small rock was part of that debris. It contained an incredible amount of stored energy, but was the size of a pea and weighed next to nothing. Lisa purchased this pebble, harnessed its energy, and developed a GCSL device (Galactic Cosmic String Locator) to manipulate the pebble to allow her to locate cosmic string tendrils and ride them to other time periods. This book is Lisa's journal and a synopsis of her travels through time.