Can you recommend a book about the main character summoning dinosaurs?

Keeley, a simple plain Jane, hits the jackpot. [No, she did not win the lottery!] At least that's what she thinks when she marries the most eligible bachelor in New York City: Aaron, a wealthy cold-hearted heartthrob and Tycoon. She wants to show the world that she deserves her position and bends over backward to fit into his world. One beautiful day, Aaron hands her a document asking her to sign. A divorce paper... "She's pregnant, and I need to take responsibility." That is the last thing that keeps on playing in her mind before she takes her last breath. Keeley dies, a 'hit and run'. [End of story. Not!] For some unexplainable reason, she wakes up as her younger self. A young high school girl, around the time when she first meets her cheating husband. Remembering her life with Aaron before she died, she makes a promise to herself that she will do everything in her power to avoid him at all costs. Will she be able to keep her promise when Aaron has his own plans as well, specifically for her? Or will she repeat history and fall for him once more... Why not journey with me and find out the truth behind their story. *Cover art by polkadottedscrunchie*

Being sucked into a fantasy world that nobody leaves doesn't sound half bad to Cain. He was a high school dropout with a drinking problem, living off disability due to his poor health, so it's not like he had much to lose except a few faithful friends he didn't talk to enough. After a long night of drinking, Cain wakes up looking at what he believes to be the character creation screen of one of his beloved virtual reality games, but with no recollection of having purchased it. His unwitting choice to use the Random Character Creation option, unaware that the choice would be irreversible, sends him into this new world as a Puppet Master, a Summoning based class nobody else in the starting zone has ever heard of. But as he soon realizes, this is no game, him and hundreds of others have been brought to another world with no instructions, no clear goals and no way home. It's a second chance to live a good life, but what will Cain be able to make of it?

Rhode is a legendary guild leader of the most influential guild in the VRMMO, Dragon Soul Continent. In order to cope with the death of his beloved sister, he dived into the game for seven long years. During this period, Rhode tries his best to alleviate his emotional pain through gaming, but alas, his life shatters once more when he heard his parents perish in a plane crash. A month after the incident, he made a decision to quit the game and return to the real world. But just before that, as a final farewell, Rhode decides to fight the most powerful BOSS in the game with his guildmates. In the end, he defeats the BOSS at the expense of his avatar's life. Rhode smiles as his avatar dissipates in a beam of light. However, instead of respawning at the usual platform... ... "W-wha...!" Rhode shot up and stared at the unfamiliar ceiling. And thus, a player who had been creating legends in the game for three eras disappeared just like that...

Imagine being forced to live, after death, as incorporeal bodies trapped in a vast space of nothingness for thousands of years, with nothing to do but exchanging past memories with other cohabitants (read: weirdos). Everybody wanted out, but there was no way to leave the Void... Until one day, a young man was finally summoned, as a powerful but reluctant mentor, by a bubbly and motivated but completely naive young girl. Baiyi, finally out of the Void, was the only one who could save all of the other 32 souls from their prison and his summoner might just be The Key to their freedom. However, Baiyi had to use the techniques and abilities the other souls had taught him throughout the years, and together with his own extensive knowledge of anime and game tropes from his shady and dangerous past as an otaku, to face the biggest challenge of them all: training the clumsy young girl he was forced to partner up with… into a competent sorcerer!

Bell Cranel was rejected by every familia he tried to join until he met Hestia. In a few, he was rejected quite violently. And in one particular instance, he was thrown out and bashed his head against a wall. Well, that's apparently where I come in. Not sure how and why I'm here. Not even sure who 'I' really am at this point since Bell's memories are definitely clearer than 'mine'... But I guess we're doing this. Hopefully I've got some useful cheats. Maybe?

After dying in a hospital, our Mc wants to enjoy his new life to the fullest. What can you do with the Longinus Annihilation maker, a great imagination, the legacy of a certain painter and a system that lets you summon characters you knew in you past life? Carrying problems from the past, finding new ones on this world or summoning them from another world What changes would he bring to this new world? I do not own the cover. Dxd or any of the summoned characters. English is not my main lenguage.