Mighty Machines by unknown author

Roaring Rockets (Amazing Machines) by unknown author

Unusual Machines - Paperback, by unknown author - Very Good

Gas Assist Injection Molding by Richard Goralski and Paul Dier

Monster Trucks and Other Mighty Machines by unknown author

Mighty Machines (Questions and Answers) - Hardcover, by unknown author - Good

Trains (Mean Machines) by unknown author, Acceptable Book

Managing Variation for Injection Molding, 3rd Edition by Jay W. Carender Paperba