Did you know that Time Magazine  regularly publishes Top 10 lists? They have a variety of lists ranging from politics, entertainment, travel, etc. Here is Time's Top 10 Graphic Novels  compiled by Lev Grossman .
3) Jimmy Corrigan, the Smartest Kid on Earth  by Chris Ware  is a pleasantly-decorated view of a lonely and emotionally-impaired "everyman" (Jimmy Corrigan, the Smartest Kid on Earth), who is provided, at age 36, the opportunity to meet his father for the first time.
4) Maus  by Art Spiegelman  is a two volume story of a Jewish survivor of Hitler's Europe and his son, a cartoonist who tries to come to terms with his father's story and history itself. Maus I and II received a Special Pulitzer Prize in 1992.
7) Fun Home: A Family Tragicomic  by Alison Bechdel takes rank alongside of memoir authors such as Augusten Burroughs  and illustrative style similar to Marjane Satrapi . Through narrative that is alternately heartbreaking and fiercely funny, we are drawn into a daughter's complex yearning for her father
8) Ghost World  by Daniel Clowes  is the story of two above-it-all best friends confronted with the prospect of adulthood and the uncertain future of their friendship. It was also made in a movie  which is considered a cult-classic to some individuals.
9) Batman: The Dark Knight Returns  by Frank Miller  is a tour de force of powerful storytelling and intense characterization, illustrating the tale of a tortured man's effort to save a city spiraling into chaos. An aging, time-worn Batman struggles with the acceptance of a new Robin while facing the latest generation of vicious, hyper-violent criminals. This novel also inspired the popular 2008 film, The Dark Knight .
10) The Greatest of Marlys by Lynda Barry