Tomorrow's Yesterdays by Till Noever (PB, 2017) First Print Edition

Content Description:  When an asteroid strike causes a major disaster in Boston, it forces physicist Ben Shore into a rethink of his life.  Together with his step-sister and mathematics whiz, Nicky, and orphaned early-teen hacker Jessie, Ben embarks on a quest to find a way to avert similar or worse disasters from happening.  A former collaborator's  action brings unexpected visitors from two different time zones of the future into the present.  Now they all need to work together to ensure that the future they know actually comes into existence. Condition Description:  Very good.  No defects noted. Publisher:  Owlglass.com SF Number of Pages:  326 Dimensions: 6" x 9" x 7/8" Country of Manufacture:  USA