These authors' works have the subjects "cousins," "talismans," and "space and time."

These authors' works have the subjects "cousins," "quests," and "space and time."

These authors' works have the genre "fantasy fiction"; and the subjects "siblings," "family visits," and "cousins."

These authors' works have the subjects "siblings," "boys," and "cousins."

These authors' works have the genre "historical fantasy"; and the subjects "loss," "magic," and "quests."

These authors' works have the genres "fantasy fiction" and "historical fantasy"; and the subjects "loss," "magic," and "memories."

These authors' works have the subjects "siblings," "boys," and "loss."

These authors' works have the subjects "siblings," "friendship," and "boys."

These authors' works have the subjects "family visits," "children of separated parents," and "grandparents."

These authors' works have the genre "fantasy fiction"; and the subjects "loss," "girls," and "children of separated parents."

These authors' works have the subjects "siblings," "boys," and "loss."

These authors' works have the genres "canadian fiction" and "fantasy fiction"; and the subjects "friendship," "boys," and "girls."