When was the first time Bella and Edward kissed in the Twilight book?

They KISS first after they come back to Bella's truck from the meadow.

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No," he continued, "I was thinking there was something I wanted to try."
And he took my face in his hands again.

I couldn't breathe.

He hesitated — not in the normal way, the human way.

Not the way a man might hesitate before he kissed a woman, to gauge her
reaction, to see how he would be received. Perhaps he would hesitate to
prolong the moment, that ideal moment of anticipation, sometimes better
than the KISS itself.

Edward hesitated to test himself, to see if this was safe, to make sure
he was still in control of his need.

And then his cold, marble lips pressed very softly against mine.

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It was when Edward was taking Bella Home from their Tag at the meadow. Chapter 13 of Twilight.

they kissed after the meadow scene, where they admit their feelings. well, that is in the book. in the movie he turns up in her bedroom.

after edward runs them back from the medow