Dr. Stephen Kortenkamp is a professional astronomer who studies small solar system objects like asteroids, comets, and moons. His research also involves the formation of planets, both in our solar system and around other stars. Dr. Kortenkamp is a Senior Research Scientist at the Planetary Science Institute (www.psi.edu) in Tucson, Arizona. His research is supported with grants from NASA and the National Science Foundation. He also teaches planetary science at the University of Arizona and in 2011 won the prestigious "Innovations in Teaching" award from the College of Science. Through the Planetary Science Institute, Dr. Kortenkamp conducts training and continuing education workshops for elementary and middle school science teachers in southern Arizona. He has written more than 20 children's books about topics related to space and has served as a scientific consultant on more than a dozen others. Steve's wife Jane is also a professional astronomer and together they have three young children. When they are not star-gazing, Steve and Jane are competitive endurance athletes who race in Ironman triathlons, marathons, and open-water swims.

"About this title" may belong to another edition of this title.

Store Description

ThriftBooks is a fully independent seller of used books, having sold more than 160 million used and new books since we started in 2003. Each quality used book is sorted, graded, shelved and shipped by hand by our team of dedicated employees in our seven warehouses across the US. We have the best selection of books, in the right condition and format, at everyday low prices. We also have a dedicated, US-based Customer Service team, ranked in the top three by Newsweek for Best Customer Service in 2018 and 2019, so you can shop with confidence. We support and invest in our employees, appreciate and value our customers, and truly believe in the power of the written word to educate, energize, and engage readers of all ages and interests.

Visit Seller's Storefront

Seller's business information

Thrift Books Global LLC
18300 Cascade Ave S, Seattle, WA, 98188, U.S.A.

Sale & Shipping Terms

Terms of Sale

We guarantee each book that we send you. If you have any problems, please contact
our dedicated customer service department. They will do everything possible to
ensure you are happy with your order.

Shipping Terms

All domestic Standard shipments are distributed from our warehouses by OSM, then handed off to the USPS for final delivery.

2-Day Shipping is delivered by FedEx, which does not deliver to PO boxes.

International shipments are tendered to the local postal service in the destination country for final delivery – We do not use courier services for international deliveries.

Shipping rates within U.S.A.

Shipping rates within U.S.A.
Order quantity	4 to 8 business days	4 to 8 business days
First item	US$ 0.00	US$ 0.00

Delivery times are set by sellers and vary by carrier and location. Orders passing through Customs may face delays and buyers are responsible for any associated duties or fees. Sellers may contact you regarding additional charges to cover any increased costs to ship your items.