: An affluent Polish girl living above ground who spots Sadie through a sewer grate and begins to aid her, leading to an unlikely and life-changing friendship. Digital Availability

: Reviewers from Bookreporter.com and Reading Ladies frequently highlight its "unputdownable" nature and the vivid, harrowing descriptions of the Krakow sewer system. Plot Summary

: An 18-year-old Jewish girl forced to hide in the city's dangerous sewer tunnels with her family to escape the liquidation of the ghetto.

Inspired by true stories, the book follows two young women from different worlds in 1942 Krakow:

by Pam Jenoff is a highly acclaimed historical fiction novel that tells a riveting story of friendship and survival during World War II. Critical & Reader Reception

: The Washington Post called it a "page-turner," while Booklist described it as "mesmerizing and meticulous".

The novel has received widespread praise for its emotional depth and historical research:

The book is widely available in digital formats for immediate download: