Erich Friedman's Published
Words Inside of Words Puzzles

Double A (June 2019, Games)

T for Two (April 2019, Games)

Four By Four (January 2018, Games)

With or Without (October 2015, Games)

An Inside Job (June 2014, WordPlay)

An Inside Job (April 2014, WordPlay)

Outside The Box (July 2013, Games)

Strike 3 (November 2012, Games)

Triple Letter (April 2012, Games)

In Other Words (November 2011, Games)

Letter Switch (March 2011, World of Puzzles)

In a Word (December 2009, Games)