Wren's Quest
Wren's Quest is the sequel to "Wren to the Rescue" , and provides further background and character-development leading into "Wren's War" . 
<triplet> Wren's Quest <subj> Wren to the Rescue <obj> follows <subj> Wren's War <obj> followed by <triplet> Wren to the Rescue <subj> Wren's Quest <obj> followed by <triplet> Wren's War <subj> Wren's Quest <obj> follows