"A Certain Slant of Light" is a young adult novel written by Laura Whitcomb. The book was published in 2005 and has garnered both critical acclaim and controversy since its release. It is not widely banned, but it has faced challenges and objections in some school districts and communities.

The novel tells the story of two ghosts, Helen and James, who are trapped in a timeless existence and can only observe the living. Helen has been wandering the Earth for over a century, unable to move on, until she encounters a young high school teacher named Jenny who can see her. As Helen and James become more involved in Jenny's life, the story explores themes of love, identity, redemption, and the afterlife.

The novel has been praised for its lyrical writing style and its exploration of deep philosophical and emotional themes. It has also been lauded for its portrayal of complex and relatable characters. Many readers and educators appreciate its ability to engage young adult readers in discussions about life, death, and the human experience.

However, "A Certain Slant of Light" has also faced challenges and objections from some parents and school boards who have found its content to be controversial. Some of the objections have centered on the novel's treatment of sensitive topics such as sexuality and the afterlife. Critics have argued that these elements may not be suitable for all young readers.