<html><body> <h2>This is main page.</h2> <a href="book1.htm">Book 1</a><br> <a href="book2.htm">Book 2</a><br> </body></html>
<html><body> <h2>This is main page.</h2> <a href="book1.htm">Book 1</a><br> <a href="book2.htm">Book 2</a><br> </body></html>