Witherby Publishing Group is a specialist publisher of training, reference and regulatory materials, providing the finest boo ... ks and publications to the shipping, insurance and energy industries. Based in Edinburgh, Witherbys is one of Scotland’s largest and most successful publishing houses. With a portfolio of over 600 specialist titles, Witherbys also publish under the Seamanship International and Witherby Insurance imprints. Witherbys’ books and guidance material are exported to more than 110 countries. read more