Wal-Mart pulls popular Mexican books after shopper complains . Memin Pinguin has been cherished in Mexico for generations . Three years ago , a series of Mexican stamps honoring Memin ignited an international uproar . Score: 7 Stories teach valuable lessons about life , defender maintains .
Wal-Mart pulls popular Mexican books after shopper complains . Memin Pinguin has been cherished in Mexico for generations . Score: 7 Stories teach valuable lessons about life , defender maintains .