| Pap/com edition (Cantata Learning, March 1, 2015), cover price $9.95 | About this edition:
Music and imagesÂ together will engage students and help them have fun as they learnÂ a traditional song that teaches opposites in this interactive eBook.
| Cantata Learning, January 1, 2015, cover price $7.95
, titled "Longarm and the Buckskin Rogue" | Reissue edition (Jove Pubns, February 1, 1985), cover price $2.50 | also contains Longarm and the Buckskin Rogue
, titled "Strike from the Sea" | Reissue edition (Jove Pubns, October 1, 1984), cover price $3.50 | also contains Strike from the Sea
| About this edition:
A sea story set in Indo-China in 1941, in which Commander Robert Ainslie faces the greatest challenge of his career - to take a dangerous submarine and use her against the enemy in the defence of Singapore.
| Lib/com edition (Cantata Learning, January 1, 2015), cover price $33.99