※ To ensure you can use it with greater peace of mind, I will take measures to prevent water damage with a new OPP bag and package it in a new envelope (^-^) List price: 1650 yen GIZMODO Tech Secret Book Paperback – December 19, 2025 By Gizmodo Japan (Author) Unused and unread, brand new ◎ It's a completely unread item, with the pages never even opened. Price reduction is not possible, so please refrain from price negotiations or requests for discounts. --- Conquer the obstacles that stand in your way in the dungeon of daily life with tech! Smartphone battery, 1% remaining! Can it be extended?? Touch failure at the ticket gate! What to do! Wireless earphones submerged! Is there a way to save them? Commuting to school or work, leisure time... various traps lurking in the "dungeon" called daily life. The Gizmodo editorial department, led by the legendary hero Richard, will give the secret book to the brave adventurers embarking on a journey! "Slightly troublesome situations" that can occur in daily life. If you know the mechanisms of technology, you can overcome them! This book is a guide for adventurers who set out on an adventure called daily life, to overcome the troubles that may occur with a smile. You can solve the "troubles" with a smile. Yes, with tech (maybe). The 1st Labyrinth / The Cave of Zero Smartphone Battery The 2nd Labyrinth / The Illusion Corridor of Photos and SNS The 3rd Labyrinth / Commuting and School Real Escape Maze The 4th Labyrinth / The Final Dungeon of Work and Study The 5th Labyrinth / Household & Daily Necessities Life Quest The 6th Labyrinth / Outdoor Field for Outings & Outdoor Activities The 7th Labyrinth / The Defensive Fortress of Money and Security ※ A letter from "that person" found in the treasure chest