Helix Rolls into a SleepoverBetz, Randal, Jr., Mason Shrader, Randal Betz · First published 2020Open the Tome
Helix's Hidden CharactersBetz, Randal, Jr., Claudio Icuza, Randal Betz · First published 2020Open the Tome
Neuromuscular Spine DeformityAmer Samdani, Peter O. Newton, Harry L. Shufflebarger, Randal R. Betz, Paul D. Sponseller · First published 2018Open the Tome
Spinal Cord Injury in the Child and Young AdultLawrence C. Vogel, Kathy Zebracki, Randal R. Betz, M. J. Mulcahey · First published 2014Open the Tome
Idiopathic ScoliosisPeter Newton, Amer Samdani, Harry Shufflebarger, Randal Betz, Jürgen Harms · First published 2011Open the Tome
