The Internet provides one-stop shopping for those interested in this particular exposition. Intriguing facts and figures pertaining to it are available in an Earth Station Nine entry ( www.earthstation9.com/index.html?1939_new ), and eBay offers an unending parade of souvenirs for sale. The World’s Fair Collectors Society ( www.members.aol.com/bbqprod/wfcs.html ) is open to those interested in any such expo and is likely to include people eager to show, swap, or sell items from the 1939 event.