Soul Eater is a manga series written and illustrated by Atsushi Ohkubo. It was serialized in Square Enix's Monthly Shonen Gangan magazine from 2004 to 2013 and was collected in 25 tankōbon volumes. The story follows Maka Albarn and her partner, a living weapon named Soul Eater, as they train to become meisters at the Death Weapon Meister Academy, a school run by the Shinigami, Death.
Impact Bold Condensed is most likely the font chosen for the manga series' English title. Impact is a realist sans serif font created by Geoffrey Lee in 1965 and published by the Stephenson Blake foundry. It has been bundled with Microsoft for Windows 98 and is well known for being a part of the basic fonts for the Web package. You can view more details about it here.