For help organizing your visit, call the Lee County Visitor & Convention Bureau (888-231-6933) or visit its Web site, www.fortmyers-sanibel.com . Julie and Mike Neal’s Sanibel & Captiva: A Guide to the Islands is an excellent book to keep at hand; in addition to covering hotels and restaurants, it has chapters on identifying shells and birds. Edison’s house is now open after a major restoration; visit the Web site, www.edison-ford-estate.com . For reservations at the Island Inn, call 800-851-5088, or visit www.islandinnsanibel.com . Finally, plan ahead: Ding Darling is closed on Fridays; the Sanibel Historical Village is closed Sunday through Tuesday. You wouldn’t want to miss either one.