By A. H. Eschenfelder
The approval for the 1st variation of this ebook has been very pleasing. It confirms that there's a real desire for a textual content overlaying the magnetic bubble know-how. we're happy that the readers have chanced on that this ebook satisfies that want. it's been used as a textual content for classes in either universities and undefined, and as a reference guide by means of employees lively within the box. to fulfill the necessity for extra copies of the ebook it appeared most efficient to put up a moment version instead of purely a moment printing. there was a few major development, even within the little while because the preliminary printing, and we would have liked to incorporate that. whilst we wish to supply the hot copies on the lowest attainable price so they are extra simply acquired by means of scholars. for that reason the hot variation is in tender conceal and the new growth has been defined in a last bankruptcy instead of integrated into the unique chapters. This removes the cost of resetting and repaging the unique textual content. while updated references were further and typographical mistakes were corrected within the unique chapters. it really is our wish that this variation should be precious to these with an curiosity within the attention-grabbing box of magnetic bubbles.