YOU SAID:
My favorite part of a book is the middle
INTO JAPANESE
本の中で私の一番好きな部分は真ん中です
BACK INTO ENGLISH
My favorite part in the book is the middle
INTO JAPANESE
この本の中で私の一番好きな部分は真ん中です
BACK INTO ENGLISH
My favorite part of this book is the middle
INTO JAPANESE
この本の中で私の一番好きな部分は真ん中です
BACK INTO ENGLISH
My favorite part of this book is the middle
That didn't even make that much sense in English.