Show & Tell (Harlequin Blaze, No 81)

Blurb

Journalist Knox Webber needs a weekend lover. Literally. He's
finally come across the story that will make his career—Tantric
sex, the hottest new trend in getting lucky. Only, if Knox is going
to prove that the practice is nothing but a lot of sexual
gymnastics, he needs a partner. And he sure wouldn't mind
getting lucky with rival Savannah Reeves.…
Savannah has lusted after Knox for months—but she's not about
to let him know that. After all, he's the competition! So the last
thing she wants to do is go off to some resort and play sexual
games with him all weekend. But before long, Savannah finds
herself exploring Tantra with Knox…and fighting to keep her
desire a secret. Only, little does she guess that when it's all over,
more than just her secret will end up exposed.…