Is this right?

[21stcenturion]

If you come to the event, you will get red as well as blue book / books.

Which option is right?

[21stcenturion]

It will be "book".

Got answer from similar questions in other websites.

[5jj]

Welcome to the forum, 21stcenturion.

It's books.

[5jj]

It will be "book".

Got answer from similar questions in other websites.

Only if you put 'a' in front of 'red' and 'blue'.

[21stcenturion]

If it was "and" instead of "as well as", then?

[21stcenturion]

Let me try guessing:

If you come to the event, you will get a red and a blue book.

If you come to the event, you will get red and blue books.

[5jj]

Let me try guessing:

If you come to the event, you will get a red and a blue book.

If you come to the event, you will get red and blue books.

[bhaisahab]

Let me try guessing:

If you come to the event, you will get a red and a blue book.

If you come to the event, you will get red and blue books.

If you come to the event, you will get a red book and a blue book.