This is a practical guide to handling class 1A & 1AS ships in ice conditions in the Baltic & St Lawrence seaways. With global warming opening up ice-bound areas for longer periods, there is a growing demand for ice-class ships & Masters, officers & pilots to navigate them. This is a text on extreme seamanship, demonstrating the difficulties of navigating in ice & the precautions needed for safe passage. Chapters include voyage preparation, in ice at sea & navigating in fairways.