Please, Mr. Edison, Don't Give Up! (Hardcover) (ISBN-13: 9781737571636)

Emily and Jake have just finished 3rd grade. They are thinking of fun things to do for the summer, when Emily suggested the library. Little did they know that they were embarking on the most fascinating and adventurous time of their lives, At the library, in a forgotten corner, they opened a closet and found a strange machine. Emily pushed the start button, the floor dropped out from under them and they were in free fall until a blast of air slowed them down and dropped them into a strange old library. They had no idea they would become the Time Travel Kids and would visit historical figures that needed encouragement to complete the task that would affect everyone's life in the present. This is only one of seven adventures that Emily and Jake assured our lives in the present. Get them all and read about their important role in history.