Question

What's this book name? If this is enough information-This has been bothering me like crazy

The kids (The older sister and younger brother) visit their grandparent's farm and they have to drink the raw milk from the magic cow in order to see all the magical creatures. The grandparents would warn the kids to close the window of their room, and they have different fantasy based adventures. It is a fantasy novel.

Answer 1

"Fablehaven"

Step-by-step explanation:

You might want to see if that's the one. I think that's what your talking about though?