Meet the Expert:  Suzanne Slade, Mechanical Engineer and Children’s Author Suzanne Slade is the award-winning author of over 140 books for children. A mechanical engineer by degree who worked on rockets and car braking systems. Suzanne worked for McDonnell Douglas Space Systems in CA on Delta and Titan rockets and Delta-Star spacecraft purchased by NASA.… Continue Reading Episode 50: How Do You Have a Snowball Fight on Mars?