diff --git a/c_primer_plus/chapter06/05.c b/c_primer_plus/chapter06/05.c
new file mode 100644
index 0000000..4c51cfc
--- /dev/null
+++ b/c_primer_plus/chapter06/05.c
@@ -0,0 +1,32 @@
+#include <stdio.h>
+
+
+
+int main(void) {
+
+  char letter;
+
+  printf("Give an uppercase char: ");
+  scanf("%c", &letter);
+
+  if (letter < 'A' || letter > 'Z') {
+    printf("ERROR: No uppercase char\n");
+    return 1;
+  }
+
+  for (char i = 'A'; i <= letter; i++) {
+    for (char a = letter - i; a > 0; a--) {
+      printf(" ");
+    }
+    for (char b = 'A'; b <= i ; b++) {
+      printf("%c", b);
+    }
+    for (char c = i - 1; c >= 'A' ; c--) {
+      printf("%c", c);
+    }
+    printf("\n");
+  }
+
+  return 0;
+
+}