Statements (15)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:book_series | 
| gptkbp:author | gptkb:Joan_Clark gptkb:Edith_Lavell | 
| gptkbp:book | Penny Nichols and the Mystery of the Lost Key | 
| gptkbp:firstBook | Penny Nichols Finds a Clue | 
| gptkbp:firstPublished | 1939 | 
| gptkbp:fourthBookTitle | Penny Nichols and the Knob Hill Mystery | 
| gptkbp:genre | juvenile mystery | 
| gptkbp:mainCharacter | gptkb:Penny_Nichols | 
| gptkbp:numberOfBooks | 4 | 
| gptkbp:publisher | gptkb:Cupples_&_Leon | 
| gptkbp:thirdPlace | Penny Nichols and the Black Imp | 
| gptkbp:bfsParent | gptkb:Mildred_Augustine_Wirt | 
| gptkbp:bfsLayer | 8 | 
| https://www.w3.org/2000/01/rdf-schema#label | Penny Nichols Series |