diff --git a/4_0_Creating_Basic_Bitcoin_Transactions b/4_0_Creating_Basic_Bitcoin_Transactions
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+  * [Interlude: Sending Coins the Easy Way](3_3__Interlude_Sending_Coins_The_Easy_Way.md)
+* [Part Four: Sending a Raw Transaction to a P2PKH](3_4_Sending_a_Raw_Transaction_to_a_P2PKH.md)
+  * [Interlude: Using JQ for Better Parsing](3_4__Interlude_Using_JQ_for_Better_Parsing.md)
+  * [Interlude: Writing a Raw Transaction the Easy Way](3_4__Interlude_Writing_a_Raw_Transaction_The_Easy_Way.md)
+* [Part Five: Sending a Raw Transaction to an OP_RETURN](3_5_Sending_a_Raw_Transaction_to_an_OP_RETURN.md)