diff --git a/lesson#21 - More on Imports/main.d b/lesson#21 - More on Imports/main.d
index e69de29..3a3f15e 100644
--- a/lesson#21 - More on Imports/main.d	
+++ b/lesson#21 - More on Imports/main.d	
@@ -0,0 +1,16 @@
+// Aliased and Public imports
+
+import io = std.stdio;					// creating an alias io for std.stdio module
+import std.stdio: println = writeln;	// creating an alias println for writeln function
+
+import school;							// importing school and student
+
+void main() {
+	io.writeln("Hello, World!\n");		// calling writeln using io (std.stdio.writeln)
+
+	println("Using println alias (writeln);\n");			// println => writeln
+	//writeln("Trying to call writeln.... oops...");		// error => writeln is undefined, println is defined
+
+	Student Julia;										// student is imported along with school, because => public import student
+	School unknownSchool = School(Julia);
+}
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diff --git a/lesson#21 - More on Imports/school.d b/lesson#21 - More on Imports/school.d
new file mode 100644
index 0000000..60f4a29
--- /dev/null
+++ b/lesson#21 - More on Imports/school.d	
@@ -0,0 +1,12 @@
+module school;
+
+// public access to the contents of student module
+public import student;
+
+struct School {
+	Student student;
+
+	this(Student s) {
+		student = s;
+	}
+}
\ No newline at end of file
diff --git a/lesson#21 - More on Imports/student.d b/lesson#21 - More on Imports/student.d
new file mode 100644
index 0000000..08ff3b1
--- /dev/null
+++ b/lesson#21 - More on Imports/student.d	
@@ -0,0 +1,5 @@
+module student;
+
+struct Student {
+	// ...
+}
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