Great Northern? : a Scottish adventure of swallows & Amazons

"Flat on his front, binoculars to his eyes, alone at dusk, Dick makes a remarkable discovery: two rare birds, never before seen in the British Isles. Captain Flint and his crew decide to consult an expert to confirm the discovery. But when the man they ask turns out to have his collector's eye on the birds' eggs, not to mention skins, an enjoyable voyage around the Outer Hebrides becomes a desperate race to save the birds, and themselves."
"A mystery and adventure story of the outdoors. Grades 5-8."@en
"The story of a desperate rate at the end of a successful voyage in a sea-going yacht in Hebridean waters to save a pair of rare birds, not previously known to nest in the British Isles, from the clutches of an egg-collector who would destroy the nest and steal credit for its discovery."@en
"At the end of their sailing holiday the Swallows and Amazons rally to protect the local bird life which is threatened by an egg-collector."
"At the end of their sailing holiday the Swallows and Amazons rally to protect the local bird life which is threatened by an egg-collector."@en