After complaints that the manual is a scam, you can now refund it back into its ingredients.

Can be disabled in config

src/main/java/techreborn/Core.java

@@ -216,6 +216,7 @@ public class Core {
 		event.registerPacket(PacketRollingMachineLock.class, Side.SERVER);
 		event.registerPacket(PacketFusionControlSize.class, Side.SERVER);
 		event.registerPacket(PacketAutoCraftingTableLock.class, Side.SERVER);
+		event.registerPacket(PacketRefund.class, Side.SERVER);
 	}
 
 	@Mod.EventHandler

src/main/java/techreborn/client/gui/GuiManual.java

@@ -30,10 +30,13 @@ import net.minecraft.client.gui.GuiScreen;
 import net.minecraft.client.resources.I18n;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.util.ResourceLocation;
+import reborncore.common.network.NetworkManager;
 import techreborn.items.ItemTechManual;
+import techreborn.packets.PacketRefund;
 
 import java.awt.*;
 
+
 public class GuiManual extends GuiScreen {
 
 	ItemTechManual manual;
@@ -44,7 +47,7 @@ public class GuiManual extends GuiScreen {
 	int guiHeight = 195;
 	private static final String text1 = I18n.format("techreborn.manual.wiki");
 	private static final String text2 = I18n.format("techreborn.manual.discord");
-
+	private static final String text3 = I18n.format("techreborn.manual.refund");
 
 	public GuiManual(EntityPlayer player) {
 		this.player = player;
@@ -57,8 +60,12 @@ public class GuiManual extends GuiScreen {
 
 	@Override
 	public void initGui() {
-		buttonList.add(new GuiButton(1, (width / 2 - 30), (height / 2 - (guiHeight / 4)) + 17, 60, 20, I18n.format("techreborn.manual.wikibtn")));
-		buttonList.add(new GuiButton(2, (width / 2 - 30), (height / 2) + 22, 60, 20, I18n.format("techreborn.manual.discordbtn")));
+		int y = height / 4;
+		buttonList.add(new GuiButton(1, (width / 2 - 30), y + 10, 60, 20, I18n.format("techreborn.manual.wikibtn")));
+		buttonList.add(new GuiButton(2, (width / 2 - 30), y + 60, 60, 20, I18n.format("techreborn.manual.discordbtn")));
+		if(PacketRefund.allowRefund){
+			buttonList.add(new GuiButton(3, (width / 2 - 30), y + 110, 60, 20, I18n.format("techreborn.manual.refundbtn")));
+		}
 	}
 
 	@Override
@@ -68,8 +75,12 @@ public class GuiManual extends GuiScreen {
 		int centerX = (width / 2) - guiWidth / 2;
 		int centerY = (height / 2) - guiHeight / 2;
 		drawTexturedModalRect(centerX, centerY, 0, 0, guiWidth, guiHeight);
-		fontRenderer.drawString(text1, ((width / 2) - fontRenderer.getStringWidth(text1) / 2), height / 2 - (guiHeight / 4), 4210752);
-		fontRenderer.drawString(text2, ((width / 2) - fontRenderer.getStringWidth(text2) / 2), height / 2 + 5, 4210752);
+		int y = height / 4;
+		fontRenderer.drawString(text1, ((width / 2) - fontRenderer.getStringWidth(text1) / 2), y, 4210752);
+		fontRenderer.drawString(text2, ((width / 2) - fontRenderer.getStringWidth(text2) / 2), y + 50, 4210752);
+		if(PacketRefund.allowRefund){
+			fontRenderer.drawString(text3, ((width / 2) - fontRenderer.getStringWidth(text3) / 2), y + 100, 4210752);
+		}
 		super.drawScreen(mouseX, mouseY, partialTicks);
 	}
 
@@ -80,7 +91,11 @@ public class GuiManual extends GuiScreen {
 				mc.displayGuiScreen(new GuiConfirmOpenLink(this, "http://wiki.techreborn.ovh", 1, false));
 				break;
 			case 2:
-				mc.displayGuiScreen(new GuiConfirmOpenLink(this, "http://discord.gg/0tCDWb77cvetwm0e", 2, false));
+				mc.displayGuiScreen(new GuiConfirmOpenLink(this, "https://discord.gg/teamreborn", 2, false));
+				break;
+			case 3:
+				mc.displayGuiScreen(null);
+				NetworkManager.sendToServer(new PacketRefund());
 				break;
 		}
 	}

src/main/java/techreborn/packets/PacketRefund.java

@@ -0,0 +1,73 @@
+/*
+ * This file is part of TechReborn, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) 2018 TechReborn
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package techreborn.packets;
+
+import net.minecraft.entity.player.EntityPlayerMP;
+import net.minecraft.init.Items;
+import net.minecraft.item.ItemStack;
+import net.minecraftforge.fml.common.network.simpleimpl.MessageContext;
+import reborncore.common.network.ExtendedPacketBuffer;
+import reborncore.common.network.INetworkPacket;
+import reborncore.common.registration.RebornRegistry;
+import reborncore.common.registration.impl.ConfigRegistry;
+import reborncore.common.util.OreUtil;
+import techreborn.init.ModItems;
+import techreborn.lib.ModInfo;
+
+import java.io.IOException;
+
+@RebornRegistry(modID = ModInfo.MOD_ID)
+public class PacketRefund implements INetworkPacket<PacketRefund> {
+
+	@ConfigRegistry(config = "misc", category = "general", key = "manualRefund", comment = "Allow refunding items used to craft the manual")
+	public static boolean allowRefund = true;
+
+	@Override
+	public void writeData(ExtendedPacketBuffer buffer) throws IOException {
+
+	}
+
+	@Override
+	public void readData(ExtendedPacketBuffer buffer) throws IOException {
+
+	}
+
+	@Override
+	public void processData(PacketRefund message, MessageContext context) {
+		if (allowRefund) {
+			EntityPlayerMP playerMP = context.getServerHandler().player;
+			for (int i = 0; i < playerMP.inventory.getSizeInventory(); i++) {
+				ItemStack stack = playerMP.inventory.getStackInSlot(i);
+				if (stack.getItem() == ModItems.MANUAL) {
+					playerMP.inventory.removeStackFromSlot(i);
+					playerMP.inventory.addItemStackToInventory(new ItemStack(Items.BOOK));
+					playerMP.inventory.addItemStackToInventory(OreUtil.getStackFromName("ingotRefinedIron"));
+					return;
+				}
+			}
+		}
+
+	}
+}

src/main/resources/assets/techreborn/lang/en_us.lang

@@ -627,8 +627,10 @@ techreborn.tooltip.alarm=Shift rightclick to change sound
 #ManualUI
 techreborn.manual.wiki=Online wiki
 techreborn.manual.discord=Our discord
+techreborn.manual.refund=I want a refund
 techreborn.manual.wikibtn=Open
 techreborn.manual.discordbtn=Join
+techreborn.manual.refundbtn=Refund
 
 #Advancements
 advancements.techreborn.root.desc=Now that you have acquired Tech Reborn ore, you might find a tree tap usefull.