Exam Preparation
Rockston Press
Comprehensive study guides and certification revision books, published through Rockston Press and the Hadfield Holdings Exam Revision Series.
Hadfield Holdings
Publishing · Faith · Home
An independent publishing and e-commerce company creating study guides, faith-inspired books and quality home products.
Explore Our BrandsAbout Us
About Hadfield Holdings
Hadfield Holdings LLC is an independent publishing and e-commerce company. Through Rockston Press and the Hadfield Holdings Exam Revision Series, we publish clear, practical study guides that help students and professionals pass their exams with confidence.
Our faith-based brand, Saltwater & Soul, offers ocean-inspired devotionals and colouring books for reflection and rest. And our Home Collection, coming soon to Amazon, brings thoughtfully designed products into everyday living.
KnowledgeCreativityQuality
What We Do
Our Brands
Saltwater
& Soul
& Soul
Devotionals · Colouring Books
Faith & Creativity
Saltwater & Soul
Ocean-inspired devotionals and colouring books for spiritual reflection, creative expression and mindful rest.
Coming Soon
Home Collection
Thoughtfully designed home products, available soon on Amazon.
Rockston Press
Featured Study Guides
TOEFL iBT Prep Guide
NCLEX-RN Practice Questions
HiSET Exam Prep Guide
Get in Touch
Contact Us
For trade, wholesale, rights or general enquiries, send us a message and we will reply as soon as we can.