If you use the online book, you do the page numbers for the RED BOOK.
If you took a book home with you because of Internet issues, you do the pages listed for the BLUE BOOK.
NO ONE DOES BOTH ASSIGNMENTS. In most cases they are identical but in some cases they are not.
If you took a book home you are expected to use THAT book and do THOSE assignments. If you did not, then you do the red book work.
I didn't realize it sounded like you had to do BOTH assignments for each day...sorry about that!