Although space travel has been a topic of great interest to many, few have an understanding of the ultimate limits that will determine its possibilities. One thing is certain. No matter the advancement in technology, whether earthling or extraterrestrial, energy requirements will determine ultimate success in space travel. True, technology will play a part. Among other things, it will determine the kinds of fuels that will be useable in deep space travel and that will, in the end, determine its successes.

Are we ultimately going to be able to travel outside our own solar system to reach other worlds? Have extraterrestrials really visited us in the past? These are the questions addressed in this book. It is written for the layman, and does not require a technical background.

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

Store Description

Save up to 90% on your favorite items at BargainBookStores.com! Our 20,000 square foot warehouse in Grand Rapids, Michigan is filled with hundreds of thousands of books and consumer goods, all at the lowest prices! We've been serving internet customers with great deals since 2001. All books ship from Grand Rapids, Michigan. 100% Customer Satisfaction Guaranteed We want to ensure your satisfaction. If you are dissatisfied with your purchase or shopping experience, we would like to hear from you. Please contact us by email: cs@bargainbookstores.com. Please be sure to include your contact information and order number. We do not charge a restocking fee for returns. Your Privacy BargainBookStores.com does not provide, sell or market customer information to other businesses or organizations.

Visit Seller's Storefront

Seller's business information

BargainBookStores
3423 Lousma Dr SE, Grand Rapids, MI, 49548, U.S.A.

Sale & Shipping Terms

Terms of Sale

BargainBookStores guarantees 100% Customer Satisfaction. We ship worldwide and offer a variety of shipping methods to meet your needs. Please place your order directly via ABEBooks.com. We accept payment by MasterCard and Visa. For more information, contact us by email at cs@bargainbookstores.com. Full contact info is below:

BargainBookStores.com LLC
3423 Lousma Dr SE
Grand Rapids, MI 49548

Shipping Terms

We will ship to all domestic and most international destinations.

Please note: Shipping times are estimated and are not guaranteed by BargainBookStores.

Shipping rates within U.S.A.

Shipping rates within U.S.A.
Order quantity	4 to 10 business days	4 to 9 business days
First item	US$ 0.00	US$ 39.50

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.