Here's a list of all the Pokémon that are obtainable with Fire Books and / or Groudon Books.
These pokémon are not available on the Adv. Capsule gift:

Normal

• Armor Mewtwo - 1000 Fire Books
• Ash Pikachu - 700 Unishards
• Bone Aerodactyl - 1000 Fire Books
• Crystal Onix - 1000 Fire Books
• Dark Ho-Oh - 1000 Fire Books
• Dark Lugia - 1000 Fire Books
• Earth Devil - Rewards from World Boss or 1000 Fire Books
• Flare Zygarde - 1000 Fire Books
• Master of Illusions - 1000 Fire Books
• Ocean Devil - 2000 Fire Books
• Primal Dialga - 1000 Fire Books
• Shadow Mewtwo - 1000 Fire Books
• Soul-Heart Magearna - 1000 Fire Books
• Spell of the Unknown - 1000 Fire Books
• Unova Kyurem - 1000 Fire Books
• Zacian - 1000 Fire Books
• Zamacenta - 1000 Fire Books

Overlord

• Ash Pikachu - 1000 Fire Books or 5000 Unishards
• Armor Mewtwo - 1600 Fire Books
• Black Kyurem - 800 Fire Books or 4000 Unishards
• Bone Aerodactyl - 1600 Fire Books
• Celebi - 1000 Fire Books or 5000 Unishards
• Crystal Onix - 1600 Fire Books
• Dark Ho-Oh - 1600 Fire Books
• Dark Lugia - 1600 Fire Books
• Deoxys - 1000 Fire Books or 5000 Unishards
• Diancie - 1000 Fire Books or 5000 Unishards
• Earth Devil - 1600 Fire Books
• Flare Zygarde - 1600 Fire Books
• Guzzlord - 1000 Fire Books or 5000 Unishards
• Ho-Oh - 1000 Fire Books or 5000 Unishards
• Lugia - 1000 Fire Books or 5000 Unishards
• Lunala - 1000 Fire Books or 5000 Unishards
• Master of Illusions - 1600 Fire Books
• Mewtwo X - 1000 Fire Books or 5000 Unishards
• Mewtwo Y - 1000 Fire Books or 5000 Unishards
• Ocean Devil - 1600 Fire Books 
• Origin Giratina - 1500 Fire Books or 7500 Unishards
• Primal Dialga - 1600 Fire Books
• Raikou - 1000 Fire Books or 5000 Unishards 
• Rayquaza - 1000 Books or 5000 Unishards
• Soul-Heart Magearna - 1600 Fire Books
• Spell of the Unknown - 1600 Fire Books
• Stakataka - 1500 Fire Books or 7500 Unishards
• Therian Thundurs - 1000 Fire Books or 1500 Unishards
• Tapu Koko - 1500 Fire Books or 7500 Unishards
• Unova Kyurem - 1600 Fire Books
• White Kyurem - 800 Fire Books or 4000 Unishards
• Zacian - 1600 Fire Books
• Zamazenta - 1600 Fire Books 
• Zeraora - 1000 Fire Books or 5000 Unishards. Also for free from the Team Feeding House Shop
• Zygarde - 1000 Fire Books or 5000 Unishards

Resonance

All of the following Resonance Pokemon costs the same price, either 3000 Fire Books or 600 Groudon Books

• Black Kyurem
• Dialga
• Diancie
• Heatran
• Lugia
• Mewtwo X
• Mewtwo Y
• Palkia
• Raikou
• Shadow Mewtwo
• Tapu Koko
• White Kyurem
• Yveltal
• Zeraora
• Zygarde

Dynamax

Here is a full list of all the Dynamax Pokemon and their minimum prices.

• Overlord Black Kyurem - 9600 Fire Books
• Resonance White Kyurem - 9600 Fire Books 
• Overlord Celebi - 6400 Fire Books
• Overlord Diance - 9600 Fire Books
• Resonance Diance - 9600 Fire Books
• Overlord Ho-Oh - 9600 Fire Books
• Overlord Marshadow - 6400 Fire Books
• Overlord Rayquaza - 9600 Fire Books
• Overlord Therian Thundurus - 9600 Fire Books 
• Overlord White Kyurem - 9600 Fire Books
• Resonance White Kyurem - 9600 Fire Books