body {
	font-family:Arial, Helvetica, sans-serif;
	font-size:12px;
}
.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
    }

.book{
	clear:both;
	margin-bottom:20px;
}
.book img{
	float:left;
	margin-right:10px;
}
.ctr{text-align:center;}
.bold{font-weight:bold;}