The unknowns

a mystery

When people start vanishing from a godforsaken trailer park next to the Folsom Energy Plant, two eleven-year-olds investigate using mathematical clues that were hastily planted by their friend Mrs. Clarke before she disappeared.

Amulet Books
2009
9780810979918
book
Lexile: 
760

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
142320401539922692555448638LIVH286T 18623FIC CAR100015754856551709567815
1143956482811222952555448638BRMI115BRMS35688FIC CAR100015814652241736518457
1173008485593123012555448638EIMS165EIMS043756FIC CAR100015814652241736518457
1407499505750523362555448638RHRO407T 50231FIC CAR100015814652241736518457
1465902510071723412555448638WEHS491WEHS27678FIC CAR100015814652241736518457
2091607566094924622555448638HIMW256HIMW053653FIC CAR100015825759371742569409
2222003577591022402555448638SPCMS422SPCJ054932FIC CAR100015825759371709307855
2419800594530224292555448638PYM375PYM0032557FIC CAR100016377825731736800991
2419801594530224292555448638PYM375PYM0032556FIC CAR100016377825731736800991
2531854604501624252555448638VCI432VCI0151829FICTION CAR100016377825731736800991
2688137618440423752555448638CSS143CSS4000143FIC CAR100016377825731736800991
2740853623196623822555448638GMM293GMS80399FIC CAR100016377825731736800991
3470207684586415952555448638SOTA410TSOTA00601156AFIC CAR100016407292551640729255