Here on Earth by Alice Hoffman

In case lake cannot find the other book, here is another suggestion.

“She was only fourteen, but she knew what she wanted. She wanted him to look at her that way…….That was when she began to wonder if the scent of sulfur wasn’t fury but desire, and if perhaps, it might not be rising from her own skin. She’ll never know how she had the nerve to kiss him the way she did. This wasn’t anything like what they’d been doing on the roof on nights when they sneaked out their windows. Those kisses were shy, tentative things, and this was everything; this was what was deep inside. As soon as she kissed him like that, Hollis could tell how far she was willing to go. He didn’t have to be a mind reader to divine that. It was the way she leaned her head back; it was the way she closed her eyes. She thought she was so smart, keeping all her secrets safe, but in a single instant she revealed every one. Hollis locked the door and they went to his bed……..”