Hazards Due to Comets and AsteroidsTom Gehrels · First published 1994 · Latest edition 2021Open the Tome
Planets, Stars and Nebulae Studied with PhotopolarimetryTom Gehrels · First published 2018Open the Tome
Asteroids IIRichard P. Binzel, Tom Gehrels, Mildred Shapley Matthews · First published 1989Open the Tome