Magi Manga: link

Arabian Nights-themed manga Magi is speculated to be adapted into an anime. Serialized in Weekly Shonen Sunday since June 3, 2009, the manga is written and illustrated por female artist Shinobu Ohtaka, whose former work Sumomomo Momomo was also a hit among readers.
With all the characters borrowed from Arabian Nights, the manga tells the story of the adventures of Aladdin, a boy travels in a desert land with a magic flute that summons a djinn named Ugo.

According to Volume 12 that came out on April 18, the mystery of ○○○ will be revealed in Volume 13 on July 18. There hasn't been any official confirmation regarding the three circles, but plenty of speculations are emerging. The three circles should be three Japanese characters, so most fans naturally guess they represent "アニメ" which means "anime". However, some fans suspect that they are going to make it into a radio drama o a novel.

Speculations aside, it might only be a matter of time for this manga to be turned into an anime, for its cumulative sales from Volume 1 to Volume 10 has reached 1.7 million copies. If confirmed in Volume 13 on July 18, the anime will be most likely to be released in the fall.