John Guest has written:
'Finding Deeper Intimacy With God'
'Geology on the moon' -- subject(s): Lunar geology
'What I Wished I'd Learned in the Seminary'
'Amazing book of questions & answers' -- subject(s): Plants,
Science, Animals, Juvenile literature
'Planetary geology' -- subject(s): Geology, Lunar geology,
Pictorial works, Planets
'Making Sense of Life'
'God Is'