WWW- The Anna Nicole Smith who boasted a 42-26-38 figure at her most outrageous and became an object of lust and desire to legions of American men was not born – she was made.

The real Smith started out in podunk Texas as flat-chested, dark-haired, unlovely Vickie Lynn Hogan with an abusive father, a hapless mother – and zero prospects.

How Smith managed to defy both her circumstances and Mother Nature and transform herself from Texas trailer trash into an international sex symbol is the subject of a scathing unpublished biography by writer Stacy Brown with the late sexpot’s half-sister, Donna Hogan.

It’s appropriately entitled “Train Wreck.”

“This is a Horatio Alger story with a dark side,” the manuscript quotes Hogan saying. “Anna claims she has had no plastic surgery; we have the evidence that everything about her but her trademark Texas country twang is manufactured – breasts, lips, weight loss.”

“Train Wreck” also depicts an out-of-control sex maniac who liked to brag about it. She even claimed to have had “amazing” sex with a ghost.

“Vickie is a fiend and not only does she know it, she cherishes the fact that others know it too,” Hogan hissed.

Smith was especially proud of what was described as her “factory made chest.”

It was her ticket out of obscurity – and her biggest asset. “Anna had to resort to specially made bras as her size became Double F’s.”

The biggest size Victoria’s Secret sells is a double D cup.

Smith’s sudden death on Thursday under mysterious circumstance was keenly felt by women who – like Smith – have had to struggle with their weight.

The 39-year-old former Playboy playmate was the face and figure of TrimSpa and claimed the diet pills helped her shed 69 pounds. But that too was a lie, the book insists.

“While Anna Nicole collects big money as the spokeswoman for a diet program she claims slimmed her from dowdy to supermodel-thin, sister Donna has evidence of the real route to skinniness: photos of Anna’s liposuction,” according to the book’s intro.

Smith’s many surgeries “make her look like chopped liver” and “threatened to send [her] to a psychiatrist,” the book continues.

Those assertions were buttressed Friday by Broward County coroner Joshua Perper, who performed the autopsy on Smith after she died in a Florida hotel room.

Smith’s body, Perper said, “showed some indication of scarring from plastic surgery, but nothing recent.”

“Anna Nicole was born Vickie Lynn Hogan November 28th, 1967, in Houston, Texas to a father who abused all the people who should have been near and dear to him,” the book said.

By the time Smith hit puberty, her father was out of the picture and she was running wild.

“When other girls were filling out, Vickie, to her continuing dismay, remained flat-chested, with jet-black hair and a manly look,” the book states. “She hungered for the attention of boys and was always jealous of other girls who got it, until she found that if she were wild enough, and loose enough, the boys would accept her company.”

After a brief marriage to a teenage fry cook that produced a son, Smith began transforming herself. “Vickie found an idol, another girl from poverty who managed to remake herself into a sex goddess: Marilyn Monroe,” Hogan told Brown.

Harnessing a ferocious sex drive, Smith started working as a stripper in Houston, and “began to boast to friends that she would soon land a wealthy man.”

But Smith’s God-given breasts were spoiling her chances.

“She was still flat-chested, barely filling out an A-cup – not what the men who frequent strip clubs have come to see,” according to “Train Wreck.” To her dismay, Smith was stuck with the day shift rather than night shift when the big spenders were out.

So when Smith had raised enough money, she bought herself new breasts.

“What she designed for herself was such a leap in size that it had to be done in two stages,” the half-sister dished. “When finished, she had gone from an A-cup to a weighty, massive DD-cup (sic) eventually Double F’s.”

They were, in Hogan’s words, “obscenely large.”

“Flaunting her new chest, Anna was hired at another strip club, Gigi’s cabaret,” according to the book. “During a visit to the club, a frequent patron spotted the new girl and was immediately drawn to her.”

That patron was Texas oil baron J. Howard Marshall, who was 89, wheelchair-bound – and completely smitten. Over his son’s objections, they married.

Marshall called her “the love of my life,” Hogan said. “Meanwhile, she was cheating on him at every turn, having sex with household servants, girlfriends, and married men. Anna loves sex, every way possible.”

Marshall was aware of Smith’s alleged infidelities “but seems to accept it as part of the bargain. … Occasionally Anna puts in an appearance, dances naked for him, and provides him sexual gratification.”

Smith’s voracious sexual appetite cost her an $850,000 settlement when her son’s nanny sued for being coerced into lesbian sex with her.

Hogan revealed that on at least one occasion, Smith’s young son walked in on his mother in the middle of sex: “She didn’t stop, she didn’t even shoo him out.”