This issue of the journal contains 20 papers. Topics covered include: forms of deterioration found in wood; fungal contamination of oil paintings; biodeterioration processes on rocks; Roman mosaics deterioration; biodeterioration testing of polymers; growth of selected fungal strains; detection and inhibition of fungi, biological growth on stone; lichen and bryophytes as deterioration agents; stone biodeterioration; fungal deterioration of cellulose textiles; deinfesting museums and archives; biodeterioration of wall paintings; biodeterioration of paint films; foxing of paper; and, biodeterioration of culture property.