Hi, Tiornu The book cover all of of these: Small Cruisers: Sánchez Barcáiztegui and Jorge Juan Wooden Cruisers: Aragón, Castilla and Navarra Unprotected 'third class' Cruisers: General Lezo, General Concha, Elcano and Magallanes Unprotected 'second class' Cruisers: Velasco, Gravina, Infanta Isabel, ...