Textbooks
Avner, E. D., Harmon, W., & Niaudet, P. (2004). Pediatric nephrology (5th ed.). Philadelphia: Lippincott Williams & Wilkins.
[A common textbook, produced by IPNA. Some chapters are more clearly written than others. See below for other options]
Geary, D. F., & Schaefer, F. (2008). Comprehensive pediatric nephrology. Philadelphia, PA: Mosby/Elsevier.
Craig, J., Molony, D. (2008). Evidence-based Nephrology. West Sussex, UK: Wiley-Blackwell Publishing.
Daugirdas, J. T., Blake, P. G., & Ing, T. S. (2015). Handbook of dialysis (5th ed.). Philadelphia: Wolters Kluwer Health.
[A good practical guide for dialysis. Chapters about kt/V by the people who invented kt/v]
Warady, B. A. (2012). Pediatric dialysis (2nd ed.). Boston, MA: Springer US.
[A more comprehensive guide on dialysis, specific to paediatricians]
Taal, M. W., Brenner, B. M., & Rector, F. C. (2012). Brenner & rector's the kidney (9th ed.). Philadelphia, PA: Elsevier/Saunders.
[The bible for adult nephrologists, useful sections on pathophysiology]
Rees, L., Brogan, P. A., & Bockenhauer, D. (2012). Paediatric nephrology (2nd ed.). Oxford: Oxford University Press.
[Oxford handbook]
Halperin, M. L., Goldstein, M. B., & Kamel, K. S. (2010). Fluid, electrolyte, and acid-base physiology: A problem-based approach (4th ed.). Philadelphia, PA: Saunders/Elsevier.
Journals
When I get time I might create a list of good reviews and/or seminal articles.