To vote on current textbooks from the list, beside Every guide There exists a link vote for this guide clicking it can add that e book to the votes. ???? ??? ?????? ?????? ??????? ?? ??? ??????? ???????? ????? ?? ???? ????? ?? ???? ????? ??????? ?????? ???????? ??????? ?????? ??? ????? ????? ????? ??????? ?????? ????? ?????? ????? ??? ???? ?? ????