THE HIDDEN CAUSE: CEFR B1-B1+

CEFR B1–B1+ · 24 pages · about 12–14 hours of teaching

Sickness, clues, and proof in old London. How investigators tracked a killer they could not see, followed the evidence, and found the cause hiding in plain sight.

Built for the full Read, Speak, Write treatment. Buy once, teach it for years, student after student.