"I Am Number Four: The Lost Files: Secret Histories" is a companion novella in the "Lorien Legacies" series. It delves into the backstory of the Garde, the alien teenagers from the planet Lorien who possess extraordinary powers. The narrative often shifts between their tumultuous pasts and the present challenges they face on Earth, including the threats from the Mogadorians, their enemies. As secrets are revealed, readers gain deeper insight into the trials and tribulations of the Garde, the bonds of friendship, and the struggle for survival. It's a thrilling expansion of the "I Am Number Four" universe, filled with action and intrigue. [Generated by language model - please report any problems].

This book features in the following series: I Am Number Four, I Am Number Four Series the Lost Files, Lorien Legacies .

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

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

This book 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 2014 by HarperCollins .

Pittacus Lore is Lorien's ruling elder. He has been on Earth preparing for the war that will decide Earth's fate. His whereabouts are unknown. John Reynolds, who undertook the revision of this second edition, is an experienced examiner.