Is having too much dialogue in a book a bad idea?

I ask this because I'm now trying to get my first book published and it's a children's fantasy book. But unfortunately it got rejected by the first publisher it was pitched to because they said my book has too much dialogue in it. But that's kind of my writing style; I let the dialogue tell the... show more I ask this because I'm now trying to get my first book published and it's a children's fantasy book. But unfortunately it got rejected by the first publisher it was pitched to because they said my book has too much dialogue in it. But that's kind of my writing style; I let the dialogue tell the story. But do you think I should edit my book and have less dialogue and more descriptions because I don't want other publishers to say the same thing?
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