Multicolored Illustrated Guide to Wood Vices Observed in Growing Trees, Round and Sawn Timber and Plywood. The album gives a classification and description of wood vices, an alphabetical index of vices and a list of used literature. The vices of the growing tree are described in detail: knots, rot, cracks, vices of the shape of the trunk and structure of the wood, wounds, as well as vices appearing in felled and dead wood. Particular attention is paid to the causes of the appearance of vices and their measurement.