The author, Hank Gardner, has tried to take a series of ¿snapshots¿ to describe flags at different time periods, their basic features, and then to compare these over time to see how they have changed. He considers these as the first such studies ever to quantify this information. His study was based on original observations. He believes that there is something here for the beginner, the intermediate, and the advanced vexillologist/flag enthusiast.

"Completely updated & revised with new charts, photographs & illustrations"--Jacket.

to the Second Edition here have been significant changes in pediatric Chapter 56 by Maya Eibschitz-Tsimhoni, MD, is a T ophthalmology and strabismus since the first wonderful contribution to the literature, as it reviews edition. Great effort has gone into incorporat 235 important ocular disorders that have systemic ing recent advances into this second edition. Each manifestations, and it includes a detailed glossary of chapter in the book has been revised, and over half of terms. them have been completely rewritten. In addition to As with the first edition, our goal is to present a updating and revising the entire book, we have added comprehensive textbook of pediatric ophthalmology three new chapters: Chapter 7 on electrophysiology and strabismus written in a clear, reader-friendly style. and the eye, Chapter 1 7 on strabismus surgery, and Our hope is that the readerwill find the second edi Chapter 56 on congenital syndromes with ocular man tion of Pediatric Ophthalmology and Strabismus to ifestations. Chapter 17 is the definitive work on pedi be scientifically informative, clinically useful, and en atric ocular electrophysiology, bar none, and was fin joyable to read. ished just weeks before the untimely death of its author, Dr. Tony Kriss (see tribute in Chapter 17).

Based on Dr. Wright’s classic major reference, Handbook of Pediatric Strabismus and Amblyopia outlines the latest findings in diagnosing the most commonly presenting problems in pediatic cases, offering the most complete assessment tools for accurate diagnosis and then best treatment options. Distilling the essentials of these prevelant and sometimes complicated cases into a portable, complete and authorative pocket reference, this handbook offers a complete picture of how to best treat pediatric patients. Specifically, the introductory chapters on the specifics of pediatric ophthalmology (embryology, post-natal development and the pediatric exam) will help newcomers to pediatric practice fully grasp the subtle differences in pediatric care. The chapters are written by leading experts in the field and are presented in a user-friendly format, relying on heavily illustrated in color plates, clincally helpful tables, charts, and decision-making guidelines. This approach will enable the practitioner (whether specialist or generalist) to make the most accurate diagnosis and choose the most effective treatment option.

Revised by John V. Noel, Jr., Captain, U.S. Navy [Ret.] Associate Editors: Commander Frank E. Bassett, U.S. Navy [Ret.] Dr. Carvel Blair and Prof. Dee Fitch Steer by this venerable guide to shiphandling and safety and you’ll easily see why, since publication of the first edition 83 years ago, it has been the single-most trusted "beacon" for millions of pleasure boaters and professional seamen alike. Now in its eighteenth edition, Knight’s Modern Seamanship continues the salty tradition of its predecessors. It supplies all the navigation techniques, safety laws and procedures, and maintenance practices you need to make each ocean-going trip safe and enjoyable. Typhoon up ahead? Knight’s explains the effects of weather on ocean travel and spells out exactly what you have to do to avoid dangerous weather systems. What kind of communication equipment should you have on board? A new section on ship communications tells you how to select and operate modern communication devices. This eighteenth edition also provides you with new sections on channel marking, towing and salvage, and the maritime buoyage system. Updated guidance is given on: the rules of the road—you get clear explanations of right of way, the use of radar to avoid collisions, and the law in fog; included is the complete text of the Inland Navigational Rules Act of 1980. Every vessel over 12 meters in length is required by law to have a copy of these rules on board. shiphandling—you’ll find expert discussions on docking, mooring, and anchoring; helicopter operations; and ice seamanship ship and boat operation—you get concise explanations of ship structure and stability, propulsion and steering, ground tackle, and cargo handling and underway replenishment You’ll even learn the art of knotting and splicing. Without a doubt, Knight’s Modern Seamanship, Eighteenth Edition, is your foremost guide to mastering the lore of the sea. It is an indispensable reference source for pleasure boaters, merchant marine personnel, and anyone who needs expert seagoing advice.

Lightning in the Andes and Mesoamerica is the first ever study to explore the symbolic elements surrounding lightning in Pre-Columbian religious ideologies.