ATTENTION: VANNA SPEAKS! GERALDO SPEAKS!

They are the Tiny Tim and Twiggy of the ‘80s, adored and ridiculed beacons of their generation. Geraldo Rivera, guru of the nosy, noisy journalism, digging deep into the nation’s scumholes for stories and ratings. And Vanna White, TV’s Pet Rock, her popularity a continuing mystery. Both are riding wheels of fortune, and where they stop nobody knows.

You’ve seen her on “Wheel of Fortune,” turning letters, walking proud in her high heels, standing beside Pat Sajak, waving and saying “bye bye” simultaneously, which isn’t all that easy.

Now, after the articles, after the Playboy spread, after the publicity, after driving America wild with anticipation, Vanna speaks.

That--”Vanna Speaks”--is the title of Vanna White’s autobiography, just off the presses, hot as tap water. Even better, you can hear Vanna herself speak “Vanna Speaks” in a 50-minute abridged edition available on audiocassette.

“In this program,” it says on the back of the cassette, “Vanna shares with you the most intimate details of her personal fairy tale.”

America’s heroine. There’s the gnawing feeling that if you put her in a lineup with Margaret Thatcher, Mother Teresa and U.S. Supreme Court Justice Sandra Day O’Connor, Vanna would be the choice of most girls as their role model.

We pick up Vanna’s spoken story after she has graduated from high school in North Myrtle Beach, S.C. She attends the Atlanta School of Fashion and Design, but realizes that she’s made a mistake and that Hollywood is the best place to fulfill her dream of becoming a model and movie star.

Vanna and a friend rent a truck and head for Hollywood in a journey fraught with peril. “Although Vanna’s friend didn’t know how to drive a stick shift,” a narrator on the cassette says, “she quickly learned.”

If that doesn’t stop your heart, try this: Because they didn’t have much money, Vanna and her friend were forced to stay in cheap motels.

“I just knew rats and cockroaches were gonna come out and all this stuff,” Vanna recalls. “It was really disgusting.” Yes, it must have been.

After arriving in Hollywood, Vanna suffers the loss of her mother and the death of boyfriend John Gibson, a one-time soap actor. Later, getting chosen for “Wheel of Fortune” makes her a superstar.

Here’s a very candid disclosure from Vanna:

“When you see ‘Wheel of Fortune,’ you probably think I’m so glamorous, so beautiful, dressed up to look just great. Well, I don’t look like that when I get to work.”

No secrets from this young miss. Here’s something just as revealing:

“My biggest embarrassment was when I fell flat on my face. The guy had just won a brand-new car in a bonus round. I was clapping so hard, I was so excited for him, I missed the last step and fell right on my face. It was terrible. I was so embarrassed. So I picked myself up and dusted myself off and went over to the winner to congratulate him, and he said, ‘Did you have a nice trip?’ I was so embarrassed.” That must have been embarrassing.

No wonder Vanna can say:

“I never get bored, because there’s always different puzzles, I’m wearing different clothes, there’s different contestants, there’s different prizes.”

Despite leading such a dazzling life, this real fab gal always finds time to share her knowledge with others. Her advice to people who want to audition as contestants on “Wheel of Fortune”?

“Speak distinctly, because you know how the letters sound alike . . . and speak loudly and clearly, and also just be yourself and have fun. Just have a lot of fun out there and be yourself.”

Yes, she flaunts her knowledge of the alphabet on “Wheel of Fortune.” But Vanna insists that off camera she is a normal homebody and “quite boring.” Like, I’m sure . She says success hasn’t changed her, and adds, “Gosh . . . I’m a lucky person.”

Yet success can also be trying. “It’s not as easy as it looks, being on all the time,” Vanna says. “I mean, what happens if I’m in a bad mood?”

Vanna was in a bad mood when racy photographs that she posed for before becoming famous turned up in the current issue of Playboy. She explains: “I was asked to do this modeling job, in lingerie, which I thought, ‘That will be fine. I’ve seen everyone in bras and panties and it’s no big deal.’ ” Then she discovered that the items were “see-through things,” and she felt awful. “But I had to pay the rent.” Plus utilities.

“Vanna Speaks” ends with a rousing crescendo, as Vanna notes that she would like to branch out by playing a “dramatic role” and acting in a Woody Allen movie.

The problem is finding the right properties that will exploit her full potential. I have some suggestions for a Vanna Package:

--Dramatic Roles: Vanna as Queen Victoria, Babe Didrikson Zaharias and Edith Piaf.

--Woody Allen Movie: “Vanna and Her Blisters.”

--Game Show: “Vanna White of Fortune.” Instead of a wheel, contestants spin Vanna herself for big bucks as Pat Sajak turns the puzzle letters.

--Historical Movie: “Santa Anna and Vanna.” Texas history with only slight variations as Vanna leads Sam Houston, Jim Bowie and Davy Crockett against Gen. Santa Anna at the Alamo.

--Film Biography: “Vanna Van Gogh.” As the daughter of the famous painter, Vanna goes mad and attempts to wear pierced earrings before getting her ears pierced.

--Remaking the Classics: “Vanna and the King of Siam,” with Vanna as the 19th-Century British governess engaging in a battle of wits with a strong-willed ruler played by Sajak. Then it’s “Vanna Karenina,” with Vanna in the Greta Garbo role, impressing her lover by reciting the Slavs’ Cyrillic alphabet. Next, Vanna dons a curly red wig as the comic strip heroine of “Vannie.”

--Prime-Time Series: “Vanna White Theater,” with Vanna starring in stirring profiles of game-show hostesses.

--Prime Time Series No. 2: “Look, It’s Me, Vanna.” Each week, Vanna introduces a new pair of high heels from her wardrobe and then walks in them.

--Musical Package: Vanna shows her musical side by whistling “Carmen.” Then Vanna, Van Johnson, Gloria Vanderbilt, Lee Van Cleef, Abigail Van Buren, Dick Van Dyke and Cyrus P. Vance star in the delightful musical fantasy, “The Vantastiks.”

--PBS Dialogues: Miss Vanna and Miss Piggy in candid conversation.

--Children’s Program: “Vanna White and the Seven Schwartzes.” Updated nursery rhyme in which Vanna is befriended in the forest by seven small rabbis.

--TV Special: “Vanna Counts.” Backed by spectacular choreography and a powerful music score, Vanna repeatedly counts to 10.

--Updated Autobiography: “Gosh!”