How to announce baby #2

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To my husband. I want my daughter involved but don’t wana do the classic big sister shirt. I got her a big sister book but not sure how to go about actually having him see it. Just give it to her and say give it to daddy? I also considered putting the book in an amazon box like it was just shipped and say I ordered something for our daughter. I’ll be making dinner and he usually opens the boxes anyways. Is that too much ? Any other ideas with the book?