Fashion Wednesday: Featuring new designs from Princess Kaiulani Fashions, 11 a.m. to 2 p.m., Kahala Moon Cafe. Call 732-7777.
"Is There a Book in You?": Informal workshop with Bennett Hymer, president of Mutual Publishing, 7:30 p.m., Barnes & Noble, Kahala.
Brown Bag Biography: Harriet Gay speaks on "The Three Masks of Colette," noon, Biography Cottage 96-36, 1777 East-West Road. Call 956-3774.
Trombone recital: By Jonathon Kimura, 1:30 p.m., Orvis Auditorium. Free. Call 956-8742.
East Honolulu Community Children's Council: Bob Campbell of the Department of Education discusses the Felix-Waihee consent decree and implementation plan, 4 p.m., Kaimuki Intermediate School Library. Call 733-4400 or 733-9850.
Barnes & Noble: Investment seminar with Ethan Tweedie from Dean Witter Reynolds, based on Michael O'Higgins' "Beating the Dow," 7:30 p.m., Kahala Mall.
Lost city: Robert Littman, UH professor and author of "The Greek
Experiment," gives a slide lecture on "Pompeii: Window on Roman Society," an ancient city frozen in time beneath the ashes of a volcanic eruption, 7:30 p.m., Academy Theater. Littman has participated in excavations in Greece and Israel. Free. Call 955-4416.
Music Break: Puuhonua Trio performs Hawaiian music and hula, noon, Tamarind Park.
Sea Grant seminar: Mark Merrifield of the Department of Ocean Engineering discusses patterns, testing and applications for "A Wave Model for Island Regions," 3 p.m., UH-Manoa's Marine Science Building, Room 100. Call 956-7410.
Barnes & Noble: Lee Eisenstein performs, 8:30 p.m., Kahala Mall.
Home improvement and garden fair: Free samples, plants for sale and experts at hand to answer general questions on home supplies, 10 a.m. to 2 p.m., Town Center of Mililani. Free. Participating businesses include City Mill, American Cabinetry, the Closet Space, and the Mililani Bonsai Club.
Fashion show and luncheon: "We Present," fashions by six UH-Manoa designers, 11:30 a.m., Hale Koa Hotel. Tickets $25. Call 955-7235 or 956-2243.
Lyon Arboretum: Microbiologist Janice Ito discusses composting, 12:30 to 2:30 p.m. Costs $15.50 per class, plus $2 supply fee. Call 988-7378.
Billiard exhibition: Featuring Rodney Morris, 1 p.m., Windward Mall.
Citizen Action Project party: Nonprofit group celebrates Earth Day with games and live music by Sidetracked and Mojo Hand, 4 p.m. to 1 a.m., Gordon Biersch restaurant. The group's programs include Trees for Life (delivering extra fruit to homeless shelters), Clean Reef Campaign (underwater clean-ups) and Stop the Dumping Campaign (investigating illegal dumping). Donation $5. Call 941-4854.
"How to Obtain Happiness": Seminar with Kazuhiro Takegawa from Kofuku No Kagaku, 6:30 p.m., Pikake Room, Royal Garden at Waikiki. Admission $5. Call 955-5777.
Parents Without Partners: April Showers Open Dance has line dancing, waltz lesson, games and more, 8 p.m. to midnight, Tripler Officers Club. Costs $10 general. Call 262-6442.
Humanists Hawaii: Religion professor S. Cromwell Crawford discusses suffering from a human perspective, 9:30 a.m., UH-Manoa's Watanabe Hall, Room 112. Call 247-6226.
Olaloa Community craft fair and farmer's market: 10 a.m. to 2 p.m., 95-1050 Makaikai St., Mililani-Mauka. Call 626-8446.
Sunday Snoop: Explore five homes and a private club in Hawaii Loa and Niu Valley. Shuttle buses will depart from Kalani High School every 15 minutes between 10 a.m. and 4 p.m. Tickets $20 in advance, $25 that day. Call 261-5681. Tickets available from ASID members, Gentry Pacific Design Center stores, Homeworld Stores, Martin and MacArthur at Aloha Tower Marketplace, Wayne Parker Partners in Design Inc. and Wade Ltd. Realtors in Kailua, Fiddler's at Ward Industrial Center, Remodeling Specialists and Mark Masuoka Designs on Waialae Avenue, Paradizzio at Kahala Mall, and Timothy's Garden at Hawaii Kai Shopping Center.
Earth Fest '96: Kids' scavenger hunt, games and more, 10:30 a.m. to 6 p.m., Kapiolani Park. Entertainers include the Royal Hawaiian Band, Olomana and Martin Pahinui. Exhibits focus on alternative vehicles and other subjects. Free admission. Call 595-0057. For booth rental, call 259-9081.
Kiwanis Club of Kihei/Wailea: "Swing in the Spring," dancing and silent auction, 5:30 to 9:30 p.m., Ukulele Grill. Admission $15. Call 874-9344.
Hale Koa Hotel concert: Air Force music combo Pacific Vision performs, 4 p.m.
Historic preservation lecture: Nellie Longsworth of Preservation Action, Washington, D.C., speaks on "Lobbying Congress in '96," noon, Iolani Barracks Visitor Center, palace grounds. Free. Call 956-9546.