Cora is still grappling with the death of her beloved sister in a school shooting, and Quinn is carrying the guilt of what her brother did.On the day of Cora’s twelfth birthday, Quinn leaves a box on her doorstep with a note. She has decided that the only way to fix things is to go back in time to the moment before her brother changed all their lives forever—and stop him.In spite of herself, Cora wants to believe. And so the two former friends begin working together to open a wormhole in the fabric of the universe. But as they attempt to unravel the mysteries of time travel to save their siblings, they learn that the magic of their friendship may actually be the key to saving themselves.

    Cadmium (Caddy), is the eldest; then Saffron (Saffy); Indigo, the only boy; and Rose, the youngest. When Saffy discovers quite by accident that she has been adopted, she is deeply upset, though the others assure her that it makes no difference at all. Saffy is the daughter of Eve's twin sister, who lived in Siena, Italy, and died in a car crash. Grandad brought Saffy, as a very small child, back from Siena. At Grandad's death he leaves something to each of the children. To Saffy, it is "her angel," although no one knows its identity. How Saffy discovers what her angel is, with the help of an energetic new friend, lies at the heart of this enchanting story. Unforgettable characters come alive in often deeply humorous and always absorbing events to be treasured for a long, long time.

    It's lonely in the small apartment with just the two of them, and at school Langston is bullied. But his new home has one fantastic thing. Unlike the whites-only library in Alabama, the local public library welcomes everyone. There, hiding out after school, Langston discovers another Langston, a poet whom he learns inspired his mother enough to name her only son after him.