Walking in the Ochils, Campsie Fells and Lomond Hills: 33 Walks in Scotland's Central Fells (Cicerone British Walking)
Backpacker's Britain: Central and Southern Scottish Highlands
Central Highlands
Pathfinder Cairngorms: The best short, medium and long Highland walks in the Cairngorms National Park (Pathfinder Guide)
Walking in the Cairngorms: Walks, Trails and Scrambles
The Cairngorms (Pocket Mountains S.)
Hill Walks in the Cairngorms (Walk with Luath)
Walking the Munros Vol 1: Southern, Central and Western Highlands (British Mountains)