Mastering Claude AI: The 2026 Advanced Playbook

If you’ve built something with Claude, hit a wall, and want to know what’s on the other side of it, this book is for you. 82 pages of practitioner grade depth from Cristiano M., written for the engineer, technical marketer, solo founder, and product lead who needs their team to stop shipping prototypes and start shipping systems.

Thirteen chapters cover the 2026 Claude landscape (Opus 4.7, Sonnet 4.6, Haiku 4.5, 1M token context), context engineering, the XML contract format for system prompts, reasoning scaffolds including extended thinking, tool use and function calling, MCP and the connected stack, Claude Code for builders, building agents that don’t diverge, evals and observability, four real production case studies, cost and latency strategy, safety and guardrails, and your next 90 days.

Includes a 40 term glossary, curated references, working code examples, architecture diagrams, and a full case study dissection format. Full colour design with cool palette covers, chapter dividers, dark code blocks with syntax colouring, case study cards with metrics, timelines, and bar charts. British English, zero filler, grounded entirely in 2026 model capabilities and pricing.