But underneath the jacket is this case, and that's the cover underneath the book, the jacket, and there's an ad that offers a free 30-day risk-free trial for a blue whale.
Y debajo de la sobrecubierta, en la tapa debajo del libro, en la sobrecubierta, hay un anuncio que ofrece probar por 30 días, sin riesgos, una ballena azul.