If you loved the haunting, emotional depth of 'The Girls in the Attic', you might find 'The Nightingale' by Kristin Hannah equally gripping. Both delve into the resilience of women during wartime, though 'The Nightingale' focuses on sisters in Nazi-occupied France. The way Hannah crafts her characters makes you feel their struggles viscerally.
Another gem is 'The Book Thief' by Markus Zusak—it’s narrated by Death, which sounds grim, but it’s surprisingly poetic and heartwarming. Like 'The Girls in the Attic', it explores hidden lives and quiet defiance. For something more gothic, try 'The Thirteenth Tale' by Diane Setterfield; it’s got that same eerie, secretive vibe but with a literary twist.