Good Riddles

Question: Smell me, buy me, and deliver me.
I won't change.

What am I?

Question: If you have 30 white socks, 22 black socks, and 14 blue socks scattered across the floor in the dark, how many would you have to grab to get a matching pair?

Question: Why does the second shape have an open block when the first shape does not?

Question: I do not eat food. But I do enjoy a light meal everyday.

What am I?

Question: There are several books on a bookshelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?