diff --git a/textbooks/001_introduction-to-probability-statistics-and-random-processes/textbooks/Introduction to Probability, Statistics, and Random Processes - Hossein Pishro-Nik.pdf b/textbooks/001_introduction-to-probability-statistics-and-random-processes/Introduction to Probability, Statistics, and Random Processes - Hossein Pishro-Nik.pdf similarity index 100% rename from textbooks/001_introduction-to-probability-statistics-and-random-processes/textbooks/Introduction to Probability, Statistics, and Random Processes - Hossein Pishro-Nik.pdf rename to textbooks/001_introduction-to-probability-statistics-and-random-processes/Introduction to Probability, Statistics, and Random Processes - Hossein Pishro-Nik.pdf diff --git a/textbooks/001_introduction-to-probability-statistics-and-random-processes/textbooks/Introduction to Probability, Statistics, and Random Processes - Hossein Pishro-Nik_SOLUTIONS.pdf b/textbooks/001_introduction-to-probability-statistics-and-random-processes/Introduction to Probability, Statistics, and Random Processes - Hossein Pishro-Nik_SOLUTIONS.pdf similarity index 100% rename from textbooks/001_introduction-to-probability-statistics-and-random-processes/textbooks/Introduction to Probability, Statistics, and Random Processes - Hossein Pishro-Nik_SOLUTIONS.pdf rename to textbooks/001_introduction-to-probability-statistics-and-random-processes/Introduction to Probability, Statistics, and Random Processes - Hossein Pishro-Nik_SOLUTIONS.pdf