CONTENTS
I. [Mr. Fixit] 3 II. [Jack Investigates a Principle] 18 III. [The Legend of the Umsaskis] 30 IV. [Rex Learns How to Make a Carry] 47 V. [A Cry in the Night] 67 VI. [Rex Disappears] 86 VII. [Rex Encounters Wild Cats] 109 VIII. [A Mysterious Message] 127 IX. [Bob Meets the Enemy] 149 X. [Kernertok Gets His] 175 XI. [Stebbins is Found] 194 XII. [Besieged] 214 XIII. [Kernertok to the Rescue—Conclusion] 233