The command itself is

/give @p written_book{pages:['["",{"text":"Welcome to the\\n"},{"text":"Beastars Minecraft ","color":"blue"},{"text":"server","color":"reset"},{"text":" <3","color":"red"},{"text":"\\n\\n","color":"reset"},{"text":"[Page 2]:","color":"dark_aqua","clickEvent":{"action":"change_page","value":2},"hoverEvent":{"action":"show_text","value":"Click Me"}},{"text":" Rules","color":"reset","clickEvent":{"action":"change_page","value":2},"hoverEvent":{"action":"show_text","value":"Click Me"}},{"text":"\\n","hoverEvent":{"action":"show_text","value":"Click Me"}},{"text":"[Page 3]:","color":"dark_aqua","clickEvent":{"action":"change_page","value":3},"hoverEvent":{"action":"show_text","value":"Click Me"}},{"text":" ","color":"aqua","clickEvent":{"action":"change_page","value":3},"hoverEvent":{"action":"show_text","value":"Click Me"}},{"text":"Commands","color":"reset","clickEvent":{"action":"change_page","value":3},"hoverEvent":{"action":"show_text","value":"Click Me"}},{"text":"\\n","hoverEvent":{"action":"show_text","value":"Click Me"}},{"text":"[Page 4]:","color":"dark_aqua","clickEvent":{"action":"change_page","value":4},"hoverEvent":{"action":"show_text","value":"Click Me"}},{"text":" Links","color":"reset","clickEvent":{"action":"change_page","value":4},"hoverEvent":{"action":"show_text","value":"Click Me"}},{"text":"\\n\\n"},{"text":"(Hover on text for more info)","color":"dark_red","hoverEvent":{"action":"show_text","value":"Congrats, you did it"}},{"text":"\\n\\nHeld together by \\n","color":"reset"},{"text":"Sleepykitty","color":"red","hoverEvent":{"action":"show_text","value":"Sleepiest of kitkats"}},{"text":", ","color":"reset"},{"text":"Lilac","color":"red","hoverEvent":{"action":"show_text","value":"Blindly Twisting knobs since forever"}},{"text":" and ","color":"reset"},{"text":"Augdin","color":"red"},{"text":"\\n ","color":"reset"}]','["",{"text":"Rules:","bold":true,"color":"dark_aqua"},{"text":"\\n","color":"reset"},{"text":"1: ","hoverEvent":{"action":"show_text","value":"Even if they forgot to claim it. Griefing will be punished."}},{"text":"Don\'t destroy","color":"dark_aqua","hoverEvent":{"action":"show_text","value":"Even if they forgot to claim it. Griefing will be punished."}},{"text":" things that arent yours. ","color":"reset","hoverEvent":{"action":"show_text","value":"Even if they forgot to claim it. Griefing will be punished."}},{"text":"\\n\\n"},{"text":"2: ","hoverEvent":{"action":"show_text","value":"Being toxic at other people is ass. No spamming 4chan grade memes on signs/chat"}},{"text":"Don\'t be a dick","color":"dark_aqua","hoverEvent":{"action":"show_text","value":"Being toxic at other people is ass. No spamming 4chan grade memes on signs/chat"}},{"text":".","color":"reset","hoverEvent":{"action":"show_text","value":"Being toxic at other people is ass. No spamming 4chan grade memes on signs/chat"}},{"text":" \\n\\n"},{"text":"3. ","hoverEvent":{"action":"show_text","value":"Try to avoid spoilers for people who haven\'t watched/read all of Beastars"}},{"text":"Avoid Spoilers","color":"dark_aqua","hoverEvent":{"action":"show_text","value":"Try to avoid spoilers for people who haven\'t watched/read all of Beastars"}},{"text":".","color":"reset","hoverEvent":{"action":"show_text","value":"Try to avoid spoilers for people who haven\'t watched/read all of Beastars"}},{"text":" \\n\\n"},{"text":"4. ","hoverEvent":{"action":"show_text","value":"Its Minecraft. I doubt you need to have a philosophical episode on the meaning of life and religion"}},{"text":"Sensitive topics are hard","color":"dark_aqua","hoverEvent":{"action":"show_text","value":"Its Minecraft. I doubt you need to have a philosophical episode on the meaning of life and religion"}},{"text":".","color":"reset","hoverEvent":{"action":"show_text","value":"Its Minecraft. I doubt you need to have a philosophical episode on the meaning of life and religion"}},{"text":"\\n\\n"},{"text":"5. ","hoverEvent":{"action":"show_text","value":"Its cheesy, but we hope ya have a chill time on the server<3"}},{"text":"Have fun","color":"dark_aqua","hoverEvent":{"action":"show_text","value":"Its cheesy, but we hope ya have a chill time on the server<3"}},{"text":".","color":"reset","hoverEvent":{"action":"show_text","value":"Its cheesy, but we hope ya have a chill time on the server<3"}}]','["",{"text":"Commands:","bold":true,"color":"dark_aqua"},{"text":"\\n","color":"reset"},{"text":"/bed","bold":true,"hoverEvent":{"action":"show_text","value":"Teleports to your last bed. Bed needs to be intact"}},{"text":" \\n","color":"reset"},{"text":"/sethome","bold":true,"hoverEvent":{"action":"show_text","value":"/sethome to make your position a home/home to be teleported there."}},{"text":" and ","color":"reset","hoverEvent":{"action":"show_text","value":"/sethome to make your position a home/home to be teleported there."}},{"text":"/home","bold":true,"hoverEvent":{"action":"show_text","value":"/sethome to make your position a home/home to be teleported there."}},{"text":"\\n","bold":true},{"text":"/minimap","bold":true,"hoverEvent":{"action":"show_text","value":"Adds an updating map to your inventory"}},{"text":"\\nOther:\\n-","color":"reset"},{"text":"Claiming Terrain","color":"aqua","hoverEvent":{"action":"show_text","value":"Read the ClaimBook, but in a nutshell, you can claim land by using a golden shovel"}},{"text":"\\n","color":"reset"},{"text":"-","color":"black"},{"text":"1Player sleep","color":"black","hoverEvent":{"action":"show_text","value":"Only one player needs to be in bed, to sleep"}},{"text":"\\n","color":"reset"},{"text":"-","color":"black"},{"text":"DeadChest","color":"black","hoverEvent":{"action":"show_text","value":"If you die, a chest will spawn at the place you died, letting you recover it for the next hours"}},{"text":"\\n","color":"reset"},{"text":"-","color":"black"},{"text":"SpawnerSilk","color":"black","hoverEvent":{"action":"show_text","value":"SilkTouch works on spawners"}},{"text":"\\n-PvP is off\\n-","color":"black"},{"text":"Online Map","color":"aqua","hoverEvent":{"action":"show_text","value":"Check the links. We have an online dynmap of the whole server world"}},{"text":"\\n-","color":"reset"},{"text":"Ranks","color":"aqua","clickEvent":{"action":"change_page","value":5},"hoverEvent":{"action":"show_text","value":"Click Me"}}]','["",{"text":"Links:","bold":true,"color":"dark_aqua"},{"text":"\\nAny ","color":"reset"},{"text":"[Donations]","color":"dark_aqua","clickEvent":{"action":"open_url","value":"https://ko-fi.com/beastarsredditdiscordminecraft"},"hoverEvent":{"action":"show_text","value":"clickme ovo"}},{"text":" are appreciated ","color":"reset"},{"text":"<3","color":"red"},{"text":"\\n\\n-The ","color":"reset"},{"text":"[Discord]","color":"dark_aqua","clickEvent":{"action":"open_url","value":"https://discord.gg/beastars"},"hoverEvent":{"action":"show_text","value":"Click Me"}},{"text":" server\\n\\n-Online ","color":"reset"},{"text":"[Map]","color":"dark_aqua","clickEvent":{"action":"open_url","value":"http://beastarsdiscord.ggs.onl:8144/index.html"},"hoverEvent":{"action":"show_text","value":"Click Me"}},{"text":"\\n\\nContact on Discord\\nin the #beastars-minecraft-mute channel and @ Lilac, Sleepykitty or -|lil|-\\n\\n ","color":"reset"}]','["",{"text":"Ranks:","color":"dark_aqua"},{"text":"\\nSubtle changes based on your dedication.\\n\\n","color":"reset"},{"text":"Default;","color":"aqua"},{"text":" Thats you <3\\n","color":"reset"},{"text":"Builder;","color":"aqua","hoverEvent":{"action":"show_text","value":"For the people who have proven their dedication and legitimacy."}},{"text":" Access to Creative Mode.","color":"reset","hoverEvent":{"action":"show_text","value":"For the people who have proven their dedication and legitimacy."}},{"text":"\\n"},{"text":"VIP:","color":"aqua","hoverEvent":{"action":"show_text","value":"The Bois that keep us running"}},{"text":" Players who have donated.","color":"reset","hoverEvent":{"action":"show_text","value":"The Bois that keep us running"}},{"text":"\\n"},{"text":"Staff:","color":"aqua","hoverEvent":{"action":"show_text","value":"Might shoot you with laser eyes"}},{"text":" The floaty admin bois","color":"reset","hoverEvent":{"action":"show_text","value":"Might shoot you with laser eyes"}},{"text":"\\n "}]'],title:"Welcome <3",author:"The Mods"}






So how do I put it into
Commands:
- 'console: give %player% ... '