Reviews of Books. Issue 6 (3rd July 2019) - Rodríguez-Rodríguez, Ana M.; Reed, Cory A.; Pascual-Argente, Clara; Del Río Parra, Elena; Kahn, Aaron M.; Díez, J. Ignacio; Hancock-Parmer, Teresa; Wing, John T.; Bender, Rebecca M.; Cruickshank, Don W.; Yebra López, Carlos; Andrews, Jean; et al.