Zalaca n the Adventurer is one of the most popular novels by a member of the Generation of '98, and yet book and author are largely unknown in this country. Pio Baroja wrote more than 100 works and has been published as recently as 1995 in Spain. There's even a promenade, Paseo Pio Baroja, in San Sebastian (130 miles northwest of Madrid) named after him. Although supposedly influenced by Nietzsche, Baroja regales us with a delightful sense of humor...