Margins
Mary Winn Heider profile picture
Mary Winn Heider
Author · 4 books

Series

The Stupendous Switcheroo book cover 1
The Stupendous Switcheroo
Series · 1 book
By Chad Sell, Mary Winn Heider

Books

The Mortification of Fovea Munson book cover

The Mortification of Fovea Munson

2018

The Stupendous Switcheroo book cover

The Stupendous Switcheroo

New Powers Every 24 Hours

2023

The Unicorns Who Saved Christmas book cover

The Unicorns Who Saved Christmas

2020

The Losers at the Center of the Galaxy book cover

The Losers at the Center of the Galaxy

2021

Margins
We're hiring →
Download on App StoreSign up for Android Waitlist
548 Market St PMB 65688, San Francisco California 94104-5401 USA
hello@margins.app·+1 (650) 223-5283
© 2025 Paratext Inc. All rights reserved