The 4th Unit Series series

The 4th Unit 7 - Wyatt

The 4th Unit 6 - MerryGoRound

The 4th Wall

2012

The 4th Unit 5 - D-Again

1990

The 4th Unit 4 - Zero

1989

The 4th Unit 3 - Dual Targets

1989

The 4th Unit 2

1988

The 4th Unit

1987