Prefaces tend to be platitudinous and unconducive to perusal. To this hardened Editor, the appearance of the book represents the end of a stamina-testing saga surpassing any past experience. Amongst the numerous authors - a notably eminent bevy - some were angelic and others suffered harassment to produce, amidst day-to-day pressures, an eventual article in the cause of receptor investigation; few took exception to the strong editing that their material underwent. The reader of this book will be interested rather in its aims and ba- ground.- Does it merit a n his bookshelf? The book is not a...