Claudia and the Little Liar (The Baby-Sitters Club, #128)

Haley Braddock has never given the BSC much of a hassle before. But now she's out of control! After Claudia catches Haley in a lie--and Haley gets grounded for it--this formerly quiet BSC charge turns against Claudia in a big way. She tells everyone that Claudia and the other BSC members cannot be trusted. . .and makes up lies to prove it. What can Claudia do? It's Haley's word against Claudia's. . .and the BSC can't be sure who the kids are going to believe. Claudia catches Haley in a lie, and when Haley is grounded for it, she makes up more lies to prove the Baby-sitters club can't be trusted After Claudia gets Haley grounded for lying, Haley decides to cause the BSC lots of trouble