Monday's Not Coming: A Psychological Thriller by the Author of Allegedly

From the critically acclaimed author of Allegedly, Tiffany D. Jackson, comes a gripping new novel perfect for fans of E. Lockhart and Gillian Flynn about the mystery of one teenage girl€s disappearance and the traumatic effects of the truth.

Monday Charles is missing, and only Claudia seems to notice. Claudia and Monday have always been inseparable€"more sisters than friends. So when Monday doesn€t turn up for the first day of school, Claudia€s worried.

When she doesn€t show for the second day, or second week, Claudia knows that something is wrong. Monday wouldn€t just leave her to endure tests and bullies alone. Not after last year€s rumors and not with her grades on the line. Now Claudia needs her best€"and only€"friend more than ever. But Monday€s mother refuses to give Claudia a straight answer, and Monday€s sister April is even less help.

As Claudia digs deeper into her friend€s disappearance, she discovers that no one seems to remember the last time they saw Monday. How can a teenage girl just vanish without anyone noticing that she€s gone?