Summer Hamilton appears in 9 issues in this volume.
The Lost Valley
January 1, 1989
The Abominable Snowduck; Coin of the Realm
May 1, 1989
Windfall on Mt. G'zoontight; The Invisible Intruder; Star Island Treasure
June 1, 1989
The Bedeviled Dime; Sidereal Estate
August 1, 1989
The Oil Pirates; Billions In The Hole; The Phantom Barnstormer!
October 1, 1989
The Whistling Ghost; Interplanetary Postman; The Daft McDuck
November 1, 1989
Sky-High Hi-Jinks; Gyro Gearloose:The Odd Order; Cave of Ali Baba; Gyro Gearloose:The Bird Camera; The Magic Lamp
January 1, 1990
The City Under the Ice; Mythic Mystery
March 1, 1990
The Billion-Bean Stampede; Gyro Gearloose:The Nose Knows; Scottish Scares!; A Spicy Tale; Unk-Unk
May 1, 1990
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