Here's a detailed guide for "Troublesome Work" in Genshin Impact. Remember, this guide reflects the general gameplay as of this writing. If there have been recent changes or updates to Genshin Impact specifics like rewards or exact quest mechanics might differ.
Image via HoYoverse.
Unlocking the Quest 
1.Prerequisites: This quest is part of Lisa's Story Quest, "Tempus Fugit Chapter: Act I," which becomes available once you reach Adventure Rank 15 and have completed the Archon Quest "Prologue: Act III - Song of the Dragon and Freedom."
2.Starting the Quest: After meeting the prerequisites, you'll receive a quest notification or can check the Quest menu. Start by speaking to Lisa at the Knights of Favonius library in Mondstadt.
Quest Walkthrough:
1.Meeting Lisa: Begin by talking to Lisa at the library. She'll express her need for some rare books or materials for research.
2.Searching for the Books: Wagner's Blacksmith: Your first stop might be Wagner, the blacksmith, to inquire about one of the books. He won't have it but might give you a clue.
3.Marjorie's Souvenir Shop: Check with Marjorie in Mondstadt for another book. She might have it or direct you further.
4.NPCs in Mondstadt: Interact with various NPCs. Some might have parts of the book or know someone who does.
5.The Lost Book: You'll eventually learn that one of the books was "stolen" or lost. This leads you to:
6.Investigate the Outskirts: Head to locations like Springvale or Windrise where you might find clues or the book itself. This could involve:
7.Fighting some hilichurls or treasure hoarders who've taken the book.
8.Solving an environmental puzzle to reveal the book's location.
9.A Thief's Tale: Upon recovering the book, you might encounter or hear about the "thief," who could be someone with a story of their own, leading to a small side adventure or confrontation.
10.Return to Lisa: With all books or materials gathered, return to Lisa. She might perform an experiment or delve into research, requiring you to assist or protect her from minor threats like slimes or hilichurls distracted by her work.
11.Conclusion: After helping Lisa, she'll thank you, possibly with a bit of her backstory or insight into her character, and the quest concludes.
Quest Rewards
•Primogems: For completing the quest.
•Adventure Experience: To help increase your Adventure Rank.
•Mora: Standard reward for quest completion.
•Lisa's Special Item: Maybe an item related to her research or a unique artifact.
•Character EXP Materials: To level up your characters.
Quest Tips 
•Lisa in Party: Having Lisa in your party might provide additional dialogue or unique interactions.
•Exploration: Use this quest as an opportunity to explore Mondstadt's surroundings. There are often hidden chests or puzzles in areas you're sent to.
•Combat: Prepare for some light combat. Bringing a mix of elemental characters can help with any situation, especially if puzzles involve elemental interactions.
•Dialogue Choices: While choices might not affect the main outcome, they can provide flavor text or slightly different interactions.
•Patience with NPCs: Some information might come from less obvious NPCs, so talk to everyone mentioned or in the area for clues.
Remember, if there have been updates or changes to "Troublesome Work" or Lisa's storyline after my last update, checking in-game details or recent online resources would ensure you have the most current information. Would you like to know how to generate an image capturing the essence of this quest's theme involving books and magic?
