TY  - BOOK
AU  - Haddix,Margaret Peterson
TI  - Under their skin
SN  - 9781481417587 (hardcover)
AV  - PZ7.H1164 Un 2016
U1  - FIC HAD 
KW  - Science fiction
KW  - Robots
KW  - Fiction
KW  - Human beings
KW  - Extinction (Biology)
KW  - Secrets
KW  - Twins
KW  - Brothers and sisters
N1  - Ages 8-12
N2  - Twelve-year-old twins Nick and Eryn investigate why their mother and new stepfather are keeping secrets, why they are forbidden to meet their stepsiblings, and, most important, why their lives are in danger
ER  -