Time Meddlers on the Nile by Deborah Jackson
Approx. 63,210 words.
Published on September 11, 2012.
One of Canada’s top scientists has discovered the secret to time travel. But everything has gone wrong.
Thirteen-year-old Matt Barnes and Sarah Sachs, while attempting to rescue Matt's father from multiple universes, face an even more challenging obstacle: the erasure of their own timeline. What can they do before they, themselves, are erased?