Frogs. Linda Sonntag. Leprechaun Library. Frogs by Linda Sonntag. The Leprechaun Library. ISBN 0 399 12611 2. Printed in England. First American Edition 1981. Very fine condition, with very fine dust jacket, which shows minor smudgings and evidence of storage in contact with other bugs. Lot ID: frogs-20140425. I always combine shipping to cost based on materials and postage for weight of the lot. If you have any questions, contact me before paying Who Am I: My name is Ronald D. Edge. I live and work in Bloomington, IN, United States. I am a member of the American Philatelic Society, # 204787. I collect antique stamps, comics, and books. I am a retired computing technology and support IT director and database programming professional in real life. Having retired in Spring of 2011, I am enjoying devoting more time to stamps and other hobbies and interests.