Skip to content
Menu Button
Scan a barcode
Scan
My Lists
Menu Button
Scan a barcode
Scan

Harper Hall Investigations

Follow to get improved recommendations.
Authors: Isabel Jordan
The Harper Hall Investigations book series by Isabel Jordan includes books Semi-Charmed, Semi-Human, Semi-Twisted, and several more. See the complete Harper Hall Investigations series book list in order, box sets or omnibus editions, and companion titles.
9 Books
#1
Semi-Charmed - Book #1 of the Harper Hall Investigations

Semi-Charmed

Isabel Jordan
From $7.99
#2
Semi-Human - Book #2 of the Harper Hall Investigations

Semi-Human

Isabel Jordan
From $15.09
#3
Semi-Twisted - Book #3 of the Harper Hall Investigations

Semi-Twisted

Isabel Jordan
From $11.59
#4
Semi-Broken - Book #4 of the Harper Hall Investigations

Semi-Broken

Isabel Jordan
From $16.52
#5
Semi-Sane - Book #5 of the Harper Hall Investigations

Semi-Sane

Isabel Jordan
From $16.68
#5.5
Semi-Obsessed - Book #5.5 of the Harper Hall Investigations

Semi-Obsessed

Isabel Jordan
From $16.52
#7
Semi-Magical - Book #7 of the Harper Hall Investigations

Semi-Magical

Isabel Jordan
From $16.52
#8
#9
Semi-Fallen - Book #9 of the Harper Hall Investigations

Semi-Fallen

Isabel Jordan
From $16.52
Trustpilot

Popular Categories

Website

My Account

Partnerships

Quick Help

About Us

ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.

Follow Us

Link to Facebook
Link to Twitter
Link to Pinterest
Link to Tumblr
Link to Instagram
Copyright © 2026 Thriftbooks.com Terms of Use | Privacy Policy | Do Not Sell/Share My Personal Information | Cookie Policy | Cookie Preferences | Accessibility Statement
ThriftBooks® and the ThriftBooks® logo are registered trademarks of Thrift Books Global, LLC
GoDaddy Verified and Secured