diff --git a/textbooks/Richard Grinold, Ronald Kahn-Active Portfolio Management_ A Quantitative Approach for Producing Superior Returns and Controlling Risk-McGraw-Hill (1999).pdf b/backlog/900_Active Portfolio Management/Richard Grinold, Ronald Kahn-Active Portfolio Management_ A Quantitative Approach for Producing Superior Returns and Controlling Risk-McGraw-Hill (1999).pdf
similarity index 100%
rename from textbooks/Richard Grinold, Ronald Kahn-Active Portfolio Management_ A Quantitative Approach for Producing Superior Returns and Controlling Risk-McGraw-Hill (1999).pdf
rename to backlog/900_Active Portfolio Management/Richard Grinold, Ronald Kahn-Active Portfolio Management_ A Quantitative Approach for Producing Superior Returns and Controlling Risk-McGraw-Hill (1999).pdf