All manga is diferent, so it depends on what you like. Most choose the popular choices such as:
The best manga I have read is "Girl got game" By Shizuru Seino. It's a shojo manga, so if you are looking for something aimed at boys, this probably isn't a good choice.
List web that you can read manga
this manga can be read for free at either manga fox, one manga or zen manga :)
You can read all the chapters of the manga in manga animea or manga fox.
You can read it at mangafox.com (so far they only have vol 1)
Mangafox is great but some of the books have been licensed and discontinued on the site. You will get information if you search on "read manga online free" and you will get a bunch of websites. Have fun!
You can read raw Cirque du Freak manga on websites that host manga scans or by purchasing the manga volumes in Japanese. Please note that reading raw manga may violate copyright laws, so it is best to support the creators by purchasing official translations.
No one knows, best to just read the manga. :D
you can read translated Earthian manga at http://mangafox.com/manga/earthian/
You can read it at mangafox.com .
You can read the manga at this website; mangahere.com
Try manga fox