The editor who blew the lid on Alex Rodriguez’s steroid use, Selena Roberts, has written a tell-all book, A-Rod: The Many Lives of Alex Rodriguez, which promises to talk more about A-Rod’s steroid scandal, divorce from Cynthia, poker habit, relationship with Madonna and other aspects of the baseball player’s tabloid-ready life. 

A-Rod also suggests that the baseball player took human growth hormones while playing for the Yankees and may have even taken steroids when he was a teenager in high school, reports the New York Daily News. Rodriguez’s physical appearance was so startling to fellow Bronx Bombers, teammates nicknamed the third baseman "Bitch Tits" in 2005 for his unusually large chest. The book also says that Rodriguez showed other obvious side effects of alleged steroid use. The paper reports:

That was after he put on 15 pounds in the off-season and seemed to develop round pectorals, a condition called gynecomastia that can be caused by anabolic steroids, she writes.

In addition, an unnamed major-leaguer is quoted as saying Rodriguez and steroid-tainted pitcher Kevin Brown were seen together with human growth hormone — HGH — in 2004.

Brown, who was named in the Mitchell Report on steroids, denied through a lawyer that he ever shared the hormone with the highest-paid player in baseball.

Two other anonymous Yankees said they believed A-Rod was using based on side effects they saw — and a clubhouse staffer said management wondered if he was using banned substances.

‘No one ever asked Alex directly that I know of, but there was a lot of suspicion in house,’ the employee is quoted as saying.

Roberts recently exposed Rodriguez when she reported in Sports Illustrated that Rodriguez’s name appears on a list of 104 players who tested positive for performance-enhancing drugs in Major League Baseball’s 2003 survey testing.

A-Rod (published by HarperCollins) hits bookstores on May 12.