In "Pretty Little Liars #4: Unbelievable," the secrets of the four friends—Aria, Spencer, Emily, and Hanna—continue to unravel. After the shocking revelations of their pasts, the girls are haunted by the enigmatic messages from "A," the person tormenting them. Tensions rise as they are drawn deeper into a web of deception that questions their loyalty and friendship. As they confront their darkest fears and long-buried truths, they must band together to solve the mystery surrounding Alison's disappearance and protect themselves from the threats lurking in the shadows. Trust becomes a fragile commodity as they race against time. [Generated by language model - please report any problems].

This book is part of a book series called Pretty Little Liars .

This book is aimed at children at US 9th grade+.

This book has been graded for interest at 14-17 years.

There are 368 pages in this book.

It is aimed at Young Adult readers. The term Young Adult (YA) is used for books which have the following characteristics: (1) aimed at ages 12-18 years, US grades 7-12, UK school years 8-15, (2) around 50-75k words long, (3) main character is aged 12-18 years, (4) topics include self-reflection, internal conflict vs external, analyzing life and its meaning, (5) point of view is often in the first person, and (6) swearing, violence, romance and sexuality are allowed.

This book was published in 2022 by Harperteen .

Sara Shepard lives in the US. Pretty Little Liars was inspired by her own upbringing in Philadelphia.