Q:What type of details about john l. parker , jr. . can be gathered from the following bio? Bio: john l. parker , jr. -lrb- born 1947 -rrb- is an american writer and the author of the cult classic novel '' once a runner '' and the more recently published '' again to carthage '' and '' racing the rain '' . the trilogy chronicles the struggles of quenton cassidy , a middle-distance runner . cassidy , a passionate , obsessive runner , is first introduced in '' once a runner '' , published in 1978 . thirty years later parker follows the career of cassidy in a second book '' again to carthage '' , published in late 2007 . in '' once a runner '' cassidy is an elite college athlete who is suspended from school and prohibited from competing in his university 's track meets . he trains in private hoping to compete in disguise . in '' again to carthage , '' ten years have passed for cassidy . after taking a break from running , he begins training again in earnest trying to recapture the feeling and the glory of the past , this time through long-distance running . 2015 's '' racing the rain '' recounts cassidy 's early years .
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